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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Top)</div> </a> </li> <li id="toc-History" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#History"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>History</span> </div> </a> <button aria-controls="toc-History-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle History subsection</span> </button> <ul id="toc-History-sublist" class="vector-toc-list"> <li id="toc-Partnerships_with_device_manufacturers" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Partnerships_with_device_manufacturers"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Partnerships with device manufacturers</span> </div> </a> <ul id="toc-Partnerships_with_device_manufacturers-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-High-level_Platform_components" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#High-level_Platform_components"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>High-level Platform components</span> </div> </a> <button aria-controls="toc-High-level_Platform_components-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle High-level Platform components subsection</span> </button> <ul id="toc-High-level_Platform_components-sublist" class="vector-toc-list"> <li id="toc-Graph_API" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Graph_API"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Graph API</span> </div> </a> <ul id="toc-Graph_API-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Authentication" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Authentication"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Authentication</span> </div> </a> <ul id="toc-Authentication-sublist" class="vector-toc-list"> <li id="toc-Facebook_Connect" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Facebook_Connect"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2.1</span> <span>Facebook Connect</span> </div> </a> <ul id="toc-Facebook_Connect-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Social_plugins" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Social_plugins"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Social plugins</span> </div> </a> <ul id="toc-Social_plugins-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Open_Graph_protocol" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Open_Graph_protocol"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Open Graph protocol</span> </div> </a> <ul id="toc-Open_Graph_protocol-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-iframes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#iframes"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.5</span> <span>iframes</span> </div> </a> <ul id="toc-iframes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Microformats" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Microformats"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.6</span> <span>Microformats</span> </div> </a> <ul id="toc-Microformats-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Mobile_platform" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Mobile_platform"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.7</span> <span>Mobile platform</span> </div> </a> <ul id="toc-Mobile_platform-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Reception" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Reception"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Reception</span> </div> </a> <ul id="toc-Reception-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Facebook Platform</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 12 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-12" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">12 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D9%86%D8%B5%D8%A9_%D9%81%D9%8A%D8%B3%D8%A8%D9%88%D9%83" title="منصة فيسبوك – Arabic" lang="ar" hreflang="ar" data-title="منصة فيسبوك" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/Facebook_Platform" title="Facebook Platform – Bulgarian" lang="bg" hreflang="bg" data-title="Facebook Platform" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D9%84%D8%AA%D9%81%D8%B1%D9%85_%D9%81%DB%8C%D8%B3_%D8%A8%D9%88%DA%A9" title="پلتفرم فیس بوک – Persian" lang="fa" hreflang="fa" data-title="پلتفرم فیس بوک" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Open_Graph_Protocol" title="Open Graph Protocol – French" lang="fr" hreflang="fr" data-title="Open Graph Protocol" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AB%E0%A5%87%E0%A4%B8%E0%A4%AC%E0%A5%81%E0%A4%95_%E0%A4%AC%E0%A4%B2%E0%A5%8D%E0%A4%AF%E0%A5%81%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%BF%E0%A4%A8%E0%A5%8D%E0%A4%9F" title="फेसबुक बल्युप्रिन्ट – Hindi" lang="hi" hreflang="hi" data-title="फेसबुक बल्युप्रिन्ट" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D9%81%D9%8A%D8%B3%D8%A8%D9%88%DA%A9_%D9%BE%D9%84%D9%8A%D9%BC_%D9%81%D8%A7%D8%B1%D9%85" title="فيسبوک پليټ فارم – Pashto" lang="ps" hreflang="ps" data-title="فيسبوک پليټ فارم" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%B3%DB%95%DA%A9%DB%86%DB%8C_%D9%81%DB%95%DB%8C%D8%B3%D8%A8%D9%88%D9%88%DA%A9" title="سەکۆی فەیسبووک – Central Kurdish" lang="ckb" hreflang="ckb" data-title="سەکۆی فەیسبووک" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Facebook_Platform" title="Facebook Platform – Serbian" lang="sr" hreflang="sr" data-title="Facebook Platform" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Facebookin_sovellusalusta" title="Facebookin sovellusalusta – Finnish" lang="fi" hreflang="fi" data-title="Facebookin sovellusalusta" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Facebook_Platformu" title="Facebook Platformu – Turkish" lang="tr" hreflang="tr" data-title="Facebook Platformu" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/N%E1%BB%81n_t%E1%BA%A3ng_Facebook" title="Nền tảng Facebook – Vietnamese" lang="vi" hreflang="vi" data-title="Nền tảng Facebook" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Facebook%E5%B9%B3%E5%8F%B0" title="Facebook平台 – Chinese" lang="zh" hreflang="zh" data-title="Facebook平台" data-language-autonym="中文" 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class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Application platform accessing Facebook's social network</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">"Facebook app" redirects here. For Facebook itself, see <a href="/wiki/Facebook" title="Facebook">Facebook</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-Update plainlinks metadata ambox ambox-content ambox-Update" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/53/Ambox_current_red_Americas.svg/42px-Ambox_current_red_Americas.svg.png" decoding="async" width="42" height="34" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/53/Ambox_current_red_Americas.svg/63px-Ambox_current_red_Americas.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/53/Ambox_current_red_Americas.svg/84px-Ambox_current_red_Americas.svg.png 2x" data-file-width="360" data-file-height="290" /></span></span></div></td><td class="mbox-text"><div class="mbox-text-span">This article needs to be <b>updated</b>. The reason given is: Information is about a decade old or more.<span class="hide-when-compact"> Please help update this article to reflect recent events or newly available information.</span> <span class="date-container"><i>(<span class="date">May 2024</span>)</i></span></div></td></tr></tbody></table> <p class="mw-empty-elt"> </p><p>The <b>Facebook Platform</b> is the set of services, tools, and products provided by the <a href="/wiki/Social_networking_service" title="Social networking service">social networking service</a> <a href="/wiki/Facebook" title="Facebook">Facebook</a> for <a href="/wiki/Third-party_software_component" title="Third-party software component">third-party</a> developers to create their own <a href="/wiki/Application_software" title="Application software">applications</a> and services that access data in Facebook.<sup id="cite_ref-CNN_1-0" class="reference"><a href="#cite_note-CNN-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The current Facebook Platform was launched in <time>2010</time>.<sup id="cite_ref-F8_2-0" class="reference"><a href="#cite_note-F8-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The platform offers a set of <a href="/wiki/API" title="API">programming interfaces</a> and tools which enable developers to integrate with the open "<a href="/wiki/Social_graph" title="Social graph">social graph</a>" of personal relations and other things like songs, places, and Facebook pages. Applications on facebook.com, external websites, and devices are all allowed to access the graph. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=1" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Facebook launched the Facebook Platform on <time datetime="2007-05-24">May 24, 2007</time>, providing a <a href="/wiki/Software_framework" title="Software framework">framework</a> for <a href="/wiki/Software_developer" class="mw-redirect" title="Software developer">software developers</a> to create <a href="/wiki/Application_software" title="Application software">applications</a> that interact with core <a href="/wiki/List_of_Facebook_features" title="List of Facebook features">Facebook features</a>.<sup id="cite_ref-CNN_1-1" class="reference"><a href="#cite_note-CNN-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-F8_2-1" class="reference"><a href="#cite_note-F8-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> A <a href="/wiki/Markup_language" title="Markup language">markup language</a> called Facebook Markup Language was introduced simultaneously; it is used to customize the "look and feel" of applications that developers create. Prior to the Facebook platform, Facebook had built many applications themselves within the Facebook website, including Gifts, allowing users to send virtual gifts to each other, <a href="/wiki/Facebook_features#Marketplace" class="mw-redirect" title="Facebook features">Marketplace</a>, allowing users to post free classified ads, Facebook events, giving users a method of informing their friends about upcoming events, <a href="/wiki/Facebook_features#Videos" class="mw-redirect" title="Facebook features">Video</a>, letting users share homemade videos with one another,<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> and <a href="/wiki/Social_network_game" title="Social network game">social network game</a>, where users can use their connections to friends to help them advance in games they are playing. The Facebook Platform made it possible for outside partners to build similar applications.<sup id="cite_ref-CNN_1-2" class="reference"><a href="#cite_note-CNN-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-F8_2-2" class="reference"><a href="#cite_note-F8-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Many of the popular early social network games would combine capabilities. For instance, one of the early games to reach the top application spot, <a href="/wiki/(Lil)_Green_Patch" title="(Lil) Green Patch">(Lil) Green Patch</a>, combined virtual Gifts with Event notifications to friends and contributions to charities through Causes. </p><p>Third party companies provide application metrics, and several <a href="/wiki/Blog" title="Blog">blogs</a> arose in response to the clamor for Facebook applications. On <time datetime="2007-07-04">July 4, 2007</time>, Altura Ventures announced the "Altura 1 Facebook Investment Fund," becoming the world's first Facebook-only venture capital firm.<sup id="cite_ref-Altura_5-0" class="reference"><a href="#cite_note-Altura-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>On <time datetime="2007-08-29">August 29, 2007</time>, Facebook changed the way in which the popularity of applications is measured, to give attention to the more engaging applications, following criticism that ranking applications only by the number of people who had installed the application was giving an advantage to the highly viral, yet useless applications.<sup id="cite_ref-Facebook_6-0" class="reference"><a href="#cite_note-Facebook-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Tech blog <a href="/wiki/Valleywag" title="Valleywag">Valleywag</a> has criticized Facebook Applications, labeling them a "cornucopia of uselessness."<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Others have called for limiting third-party applications so the Facebook <a href="/wiki/User_experience" title="User experience">user experience</a> is not degraded.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>Applications that have been created on the Platform include <a href="/wiki/Chess" title="Chess">chess</a>, which both allow users to play games with their friends.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> In such games, a user's moves are saved on the website, allowing the next move to be made at any time rather than immediately after the previous move.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>By <time datetime="2007-11-03">November 3, 2007</time>, seven thousand applications had been developed on the Facebook Platform, with another hundred created every day.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> By the <a href="/wiki/Facebook_f8" class="mw-redirect" title="Facebook f8">second annual f8</a> developers conference on <time datetime="2008-07-23">July 23, 2008</time>, the number of applications had grown to 33,000,<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> and the number of registered developers had exceeded 400,000.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>Within a few months of launching the Facebook Platform, issues arose regarding "application <a href="/wiki/Spam_(electronic)" class="mw-redirect" title="Spam (electronic)">spam</a>", which involves Facebook applications "spamming" users to request it be installed.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p><p>Facebook integration was announced for the <a href="/wiki/Xbox_360" title="Xbox 360">Xbox 360</a> and <a href="/wiki/Nintendo_DSi" title="Nintendo DSi">Nintendo DSi</a> on <time datetime="2007-06-01">June 1, 2009</time> at E3.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> On <time datetime="2009-11-18">November 18, 2009</time>, Sony announced an integration with Facebook to deliver the first phase of a variety of new features to further connect and enhance the online social experiences of PlayStation 3.<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> On <time datetime="2010-02-02">February 2, 2010</time>, Facebook announced the release of <i><a href="/wiki/HipHop_for_PHP" title="HipHop for PHP">HipHop for PHP</a></i> as an opensource project.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> Mark Zuckerberg said that his team from Facebook is developing a Facebook search engine.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> “Facebook is pretty well placed to respond to people’s questions. At some point, we will. We have a team that is working on it", said Mark Zuckerberg. For him, the traditional search engines return too many results that do not necessarily respond to questions. “The search engines really need to evolve a set of answers: 'I have a specific question, answer this question for me.'" </p><p>On <time datetime="2014-06-10">June 10, 2014</time>, Facebook announced Haxl, a Haskell library that simplified the access to remote data, such as databases or web-based services.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Partnerships_with_device_manufacturers">Partnerships with device manufacturers</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=2" title="Edit section: Partnerships with device manufacturers"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Starting in 2007, Facebook formed <a href="/wiki/Data_sharing" title="Data sharing">data sharing</a> partnerships with at least 60 handset manufacturers, including <a href="/wiki/Apple_(company)" class="mw-redirect" title="Apple (company)">Apple</a>, <a href="/wiki/Amazon_(company)" title="Amazon (company)">Amazon</a>, <a href="/wiki/BlackBerry" title="BlackBerry">BlackBerry</a>, <a href="/wiki/Microsoft" title="Microsoft">Microsoft</a> and <a href="/wiki/Samsung" title="Samsung">Samsung</a>.<sup id="cite_ref-nyt-2018-06-03_21-0" class="reference"><a href="#cite_note-nyt-2018-06-03-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Those manufacturers were provided with Facebook user data without the users' consent.<sup id="cite_ref-nyt-2018-06-03_21-1" class="reference"><a href="#cite_note-nyt-2018-06-03-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> Most of the partnerships remained in place as of 2018, when the partnerships were first publicly reported.<sup id="cite_ref-nyt-2018-06-03_21-2" class="reference"><a href="#cite_note-nyt-2018-06-03-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="High-level_Platform_components">High-level Platform components</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=3" title="Edit section: High-level Platform components"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Graph_API">Graph API</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=4" title="Edit section: Graph API"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The Graph API is the core of Facebook Platform, enabling developers to read from and write data into Facebook. The Graph API presents a simple, consistent view of the Facebook social graph, uniformly representing objects in the graph (e.g., people, photos, events, and pages) and the connections between them (e.g., friend relationships, shared content, and photo tags).<sup id="cite_ref-Graph_API_22-0" class="reference"><a href="#cite_note-Graph_API-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>On April 30, 2015, Facebook shut down friends' data API prior to the v2.0 release.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Authentication">Authentication</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=5" title="Edit section: Authentication"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/OAuth" title="OAuth">OAuth</a></div> <p>Facebook authentication enables developers’ applications to interact with the Graph API on behalf of Facebook users, and it provides a single-sign on mechanism across web, mobile, and desktop apps.<sup id="cite_ref-Authentication_24-0" class="reference"><a href="#cite_note-Authentication-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Facebook_Connect">Facebook Connect</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=6" title="Edit section: Facebook Connect"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Facebook Connect,<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> also called Log in with Facebook, like <a href="/wiki/OpenID" title="OpenID">OpenID</a>, is a set of authentication <a href="/wiki/Application_programming_interface" class="mw-redirect" title="Application programming interface">APIs</a> from Facebook that developers can use to help their users connect and share with such users' Facebook friends (on and off Facebook) and increase engagement for their website or application. When so used, Facebook members can log on to third-party websites, applications, mobile devices and gaming systems with their Facebook identity and, while logged in, can connect with friends via these media and post information and updates to their Facebook profile. </p><p>Originally unveiled during Facebook’s developer conference, F8, in <time datetime="2008-07">July 2008</time>, Log in with Facebook became generally available in <time datetime="2008-12">December 2008</time>. According to an article from The New York Times, "Some say the services are representative of surprising new thinking in Silicon Valley. Instead of trying to hoard information about their users, the Internet companies (including Facebook, Google, MySpace and Twitter) all share at least some of that data so people do not have to enter the same identifying information again and again on different sites."<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </p><p>Log in with Facebook cannot be used by users in locations that cannot access Facebook, even if the third-party site is otherwise accessible from that location.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>According to Facebook, users who logged into <i><a href="/wiki/The_Huffington_Post" class="mw-redirect" title="The Huffington Post">The Huffington Post</a></i> with Facebook spent more time on the site than the average user.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Social_plugins">Social plugins</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=7" title="Edit section: Social plugins"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Social plugins – including the <a href="/wiki/Like_Button" class="mw-redirect" title="Like Button">Like Button</a>, Recommendations, and Activity Feed – enable developers to provide social experiences to their users with just a few lines of HTML. All social plugins are extensions of Facebook and are designed so that no user data is shared with the sites on which they appear.<sup id="cite_ref-Social_plugins_29-0" class="reference"><a href="#cite_note-Social_plugins-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> On the other hand, the social plugins let Facebook track its users’ browsing habits through any sites that feature the plugins. </p> <div class="mw-heading mw-heading3"><h3 id="Open_Graph_protocol">Open Graph protocol</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=8" title="Edit section: Open Graph protocol"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Open_Graph_protocol_logo.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Open_Graph_protocol_logo.png/120px-Open_Graph_protocol_logo.png" decoding="async" width="120" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/72/Open_Graph_protocol_logo.png/180px-Open_Graph_protocol_logo.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/72/Open_Graph_protocol_logo.png/240px-Open_Graph_protocol_logo.png 2x" data-file-width="300" data-file-height="300" /></a><figcaption>Open Graph protocol logo</figcaption></figure> <p>The Open Graph protocol enables developers to integrate their pages into Facebook's global mapping/tracking tool <a href="/wiki/Social_Graph" class="mw-redirect" title="Social Graph">Social Graph</a>. These pages gain the functionality of other graph objects including profile links and stream updates for connected users.<sup id="cite_ref-Open_Graph_protocol_30-0" class="reference"><a href="#cite_note-Open_Graph_protocol-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> OpenGraph tags in <a href="/wiki/HTML5" title="HTML5">HTML5</a> might look like this: </p> <div class="mw-highlight mw-highlight-lang-xml mw-content-ltr" dir="ltr"><pre><span></span><span class="nt"><meta</span><span class="w"> </span><span class="na">property=</span><span class="s">"og:title"</span><span class="w"> </span><span class="na">content=</span><span class="s">"Example title of article"</span><span class="nt">></span> <span class="nt"><meta</span><span class="w"> </span><span class="na">property=</span><span class="s">"og:site_name"</span><span class="w"> </span><span class="na">content=</span><span class="s">"example.com website"</span><span class="nt">></span> <span class="nt"><meta</span><span class="w"> </span><span class="na">property=</span><span class="s">"og:type"</span><span class="w"> </span><span class="na">content=</span><span class="s">"article"</span><span class="nt">></span> <span class="nt"><meta</span><span class="w"> </span><span class="na">property=</span><span class="s">"og:url"</span><span class="w"> </span><span class="na">content=</span><span class="s">"http://example.com/example-title-of-article"</span><span class="nt">></span> <span class="nt"><meta</span><span class="w"> </span><span class="na">property=</span><span class="s">"og:image"</span><span class="w"> </span><span class="na">content=</span><span class="s">"http://example.com/article_thumbnail.jpg"</span><span class="nt">></span> <span class="nt"><meta</span><span class="w"> </span><span class="na">property=</span><span class="s">"og:image"</span><span class="w"> </span><span class="na">content=</span><span class="s">"http://example.com/website_logo.png"</span><span class="nt">></span> <span class="nt"><meta</span><span class="w"> </span><span class="na">property=</span><span class="s">"og:description"</span><span class="w"> </span><span class="na">content=</span><span class="s">"This example article is an example of OpenGraph protocol."</span><span class="nt">></span> </pre></div> <div class="mw-heading mw-heading3"><h3 id="iframes">iframes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=9" title="Edit section: iframes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Facebook uses <a href="/wiki/Iframes" class="mw-redirect" title="Iframes">iframes</a> to allow third-party developers to create applications that are hosted separately from Facebook, but operate within a Facebook session and are accessed through a user's profile. Since iframes essentially nest independent websites within a Facebook session, their content is distinct from Facebook formatting. </p><p>Facebook originally used 'Facebook Markup Language (FBML)' to allow <a href="/wiki/Facebook_features#Applications" class="mw-redirect" title="Facebook features">Facebook Application</a> <a href="/wiki/Software_developer" class="mw-redirect" title="Software developer">developers</a> to customize the "look and feel" of their <a href="/wiki/Application_software" title="Application software">applications</a>, to a limited extent. FBML is a <a href="/wiki/Specification" class="mw-redirect" title="Specification">specification</a> of how to encode content so that Facebook's <a href="/wiki/Server_(computing)" title="Server (computing)">servers</a> can read and publish it, which is needed in the Facebook-specific feed so that Facebook's system can properly parse content and publish it as specified.<sup id="cite_ref-Acce125_31-0" class="reference"><a href="#cite_note-Acce125-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> FBML set by any application is cached by Facebook until a subsequent API call replaces it. Facebook also offers a specialized Facebook JavaScript (FBJS) library.<sup id="cite_ref-FBJS_32-0" class="reference"><a href="#cite_note-FBJS-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </p><p>Facebook stopped accepting new FBML applications on <time datetime="2011-03-18">March 18, 2011</time>,<sup id="cite_ref-FBMLdeprecated_date_33-0" class="reference"><a href="#cite_note-FBMLdeprecated_date-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> but continued to support existing FBML tabs and applications. Since <time datetime="2012-01-01">January 1, 2012</time> FBML was no longer supported, and FBML no longer functioned as of <time datetime="2012-06-01">June 1, 2012</time>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2014)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading3"><h3 id="Microformats">Microformats</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=10" title="Edit section: Microformats"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In <time datetime="2011-02">February 2011</time>, Facebook began to use the <a href="/wiki/HCalendar" title="HCalendar">hCalendar</a> microformat to mark up events, and the <a href="/wiki/HCard" title="HCard">hCard</a> for the events' venues, enabling the extraction of details to users' own calendar or mapping applications.<sup id="cite_ref-Protagonist_34-0" class="reference"><a href="#cite_note-Protagonist-34"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Mobile_platform">Mobile platform</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=11" title="Edit section: Mobile platform"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The UI framework for the <a href="/wiki/Mobile_website" class="mw-redirect" title="Mobile website">mobile website</a> is based on <a href="/wiki/Xhp" class="mw-redirect" title="Xhp">Xhp</a>, the Javelin Javascript library, and <a href="/wiki/WURFL" title="WURFL">WURFL</a>.<sup id="cite_ref-techprolonged_mobile_website_35-0" class="reference"><a href="#cite_note-techprolonged_mobile_website-35"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> The mobile platform has grown dramatically in popularity since its launch. In <time datetime="2012-12">December 2012</time>, the number of users signing into the site from mobile devices exceeded web-based logins for the first time.<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Reception">Reception</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=12" title="Edit section: Reception"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Many Facebook application developers have attempted to create viral applications. <a href="/wiki/Stanford_University" title="Stanford University">Stanford University</a> even offered a class in the Fall of <time>2007</time>, entitled Computer Science (CS) 377W: "Create Engaging Web Applications Using Metrics and Learning on Facebook". Numerous applications created by the class were highly successful, and ranked amongst the top Facebook applications, with some achieving over 3.5 million users in a month.<sup id="cite_ref-StanfordDaily_37-0" class="reference"><a href="#cite_note-StanfordDaily-37"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup> </p><p>In 2011, <i><a href="/wiki/The_Guardian" title="The Guardian">The Guardian</a></i> expressed concerns that users publishing content through a third party provider are exposed to losing their web positioning if their service is removed; and the open graph could force connecting web presence to Facebook social services even for people using their own publishing channels.<sup id="cite_ref-theguardian_38-0" class="reference"><a href="#cite_note-theguardian-38"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup> In June 2018, <i><a href="/wiki/The_New_York_Times" title="The New York Times">The New York Times</a></i> criticized Facebook's partnerships with device manufacturers, writing that the data available to these manufacturers "raise concerns about the company's privacy protections and compliance with a 2011 consent decree with the Federal Trade Commission."<sup id="cite_ref-nyt-2018-06-03_21-3" class="reference"><a href="#cite_note-nyt-2018-06-03-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p><p>Facebook Platform is relatively unknown to the general public, with no notable occurrences relating to it, as the privacy policy and terms and conditions are regularly updated.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=13" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Noun-technology.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Noun-technology.svg/29px-Noun-technology.svg.png" decoding="async" width="29" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Noun-technology.svg/43px-Noun-technology.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Noun-technology.svg/57px-Noun-technology.svg.png 2x" data-file-width="90" data-file-height="88" /></a></span></span><span class="portalbox-link"><a href="/wiki/Portal:Technology" title="Portal:Technology">Technology portal</a></span></li></ul> <ul><li><a href="/wiki/List_of_Facebook_features" title="List of Facebook features">Facebook features</a></li> <li><a href="/wiki/Comparison_of_software_and_protocols_for_distributed_social_networking" title="Comparison of software and protocols for distributed social networking">Distributed social networking software and protocols</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Facebook_Platform&action=edit&section=14" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-CNN-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-CNN_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-CNN_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-CNN_1-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and 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.hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Meta_Platforms" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Meta_Platforms" title="Template:Meta Platforms"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Meta_Platforms" title="Template talk:Meta Platforms"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Meta_Platforms" title="Special:EditPage/Template:Meta Platforms"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Meta_Platforms" style="font-size:114%;margin:0 4em"><a href="/wiki/Meta_Platforms" title="Meta Platforms">Meta Platforms</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Products<br />and services</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Facebook" title="Facebook">Facebook</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Facebook" title="Facebook">Service</a></li> <li><a href="/wiki/List_of_Facebook_features" title="List of Facebook features">Features</a></li> <li><a href="/wiki/Facebook_Beacon" title="Facebook Beacon">Beacon</a></li> <li><a href="/wiki/Facebook_Bluetooth_Beacon" title="Facebook Bluetooth Beacon">Bluetooth Beacon</a></li> <li><a href="/wiki/Facebook_Credits" title="Facebook Credits">Credits</a></li> <li><a href="/wiki/Facebook_Dating" title="Facebook Dating">Dating</a></li> <li><a href="/wiki/EdgeRank" title="EdgeRank">EdgeRank</a></li> <li><a href="/wiki/Feed_(Facebook)" title="Feed (Facebook)">Feed</a></li> <li><a href="/wiki/List_of_Facebook_features#Facebook_Gaming" title="List of Facebook features">Gaming</a></li> <li><a href="/wiki/Facebook_Graph_Search" title="Facebook Graph Search">Graph Search</a></li> <li><a href="/wiki/Facebook_Instant_Articles" title="Facebook Instant Articles">Instant Articles</a></li> <li><a href="/wiki/Facebook_like_button" title="Facebook like button">Like button</a></li> <li><a href="/wiki/List_of_Facebook_features#Live_streaming" title="List of Facebook features">Live</a></li> <li><a href="/wiki/Lookalike_audience" title="Lookalike audience">Lookalike audience</a></li> <li><a href="/wiki/Facebook_onion_address" title="Facebook onion address">Onion address</a></li> <li><a class="mw-selflink selflink">Platform</a> <ul><li><a class="mw-selflink-fragment" href="#Facebook_Connect">Connect</a></li></ul></li> <li><a href="/wiki/Facebook_Safety_Check" title="Facebook Safety Check">Safety Check</a></li> <li><a href="/wiki/Facebook_Stories" title="Facebook Stories">Stories</a></li> <li><a href="/wiki/Facebook_Watch" title="Facebook Watch">Watch</a> <ul><li><a href="/wiki/List_of_Facebook_Watch_original_programming" title="List of Facebook Watch original programming">list of original programs</a></li></ul></li> <li><a href="/wiki/Facebook_Zero" title="Facebook Zero">Zero</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Instagram" title="Instagram">Instagram</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hyperlapse_(application)" title="Hyperlapse (application)">Hyperlapse</a></li> <li><a href="/wiki/IGTV" title="IGTV">IGTV</a></li> <li><a href="/wiki/List_of_most-followed_Instagram_accounts" title="List of most-followed Instagram accounts">List of most-followed accounts</a></li> <li><a href="/wiki/List_of_most-liked_Instagram_posts" title="List of most-liked Instagram posts">List of most-liked pictures</a></li> <li><a href="/wiki/Threads_(social_network)" title="Threads (social network)">Threads</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Hardware</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Meta_Portal" title="Meta Portal">Portal</a></li> <li><a href="/wiki/Meta_Quest" title="Meta Quest">Meta Quest</a> <ul><li><a href="/wiki/Oculus_Quest" title="Oculus Quest">Quest 1</a></li> <li><a href="/wiki/Quest_2" title="Quest 2">Quest 2</a></li> <li><a href="/wiki/Meta_Quest_3" title="Meta Quest 3">Quest 3</a></li> <li><a href="/wiki/Meta_Quest_Pro" title="Meta Quest Pro">Pro</a></li> <li><a href="/wiki/Oculus_Touch" title="Oculus Touch">Touch</a></li></ul></li> <li><a href="/wiki/Ray-Ban_Stories" class="mw-redirect" title="Ray-Ban Stories">Ray-Ban Stories</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Express_Wi-Fi" title="Express Wi-Fi">Express Wi-Fi</a></li> <li><a href="/wiki/Internet.org" title="Internet.org">Free Basics</a></li> <li><a href="/wiki/Messenger_(software)" title="Messenger (software)">Messenger</a> <ul><li><a href="/wiki/Messenger_Kids" title="Messenger Kids">Kids</a></li> <li><a href="/wiki/Messenger_(software)#Messenger_Rooms" title="Messenger (software)">Rooms</a></li></ul></li> <li><a href="/wiki/Mapillary" title="Mapillary">Mapillary</a></li> <li><a href="/wiki/Meta_AI" title="Meta AI">Meta AI</a></li> <li><a href="/wiki/Meta_Horizon_OS" title="Meta Horizon OS">Meta Horizon OS</a></li> <li><a href="/wiki/Within_(company)" title="Within (company)">Supernatural</a></li> <li><a href="/wiki/WhatsApp" title="WhatsApp">WhatsApp</a></li> <li><a href="/wiki/Workplace_(software)" title="Workplace (software)">Workplace</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Former</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Atlas_Solutions" title="Atlas Solutions">Atlas Solutions</a></li> <li><a href="/wiki/FriendFeed" title="FriendFeed">FriendFeed</a></li> <li><a href="/wiki/Giphy" title="Giphy">Giphy</a></li> <li><a href="/wiki/Facebook_Home" title="Facebook Home">Home</a> <ul><li><a href="/wiki/HTC_First" title="HTC First">HTC First</a></li></ul></li> <li><a href="/wiki/M_(virtual_assistant)" title="M (virtual assistant)">M</a></li> <li><a href="/wiki/Oculus_Go" title="Oculus Go">Oculus Go</a></li> <li><a href="/wiki/Oculus_Rift" title="Oculus Rift">Oculus Rift</a> <ul><li><a href="/wiki/Oculus_Rift_CV1" title="Oculus Rift CV1">CV1</a></li> <li><a href="/wiki/Oculus_Rift_S" title="Oculus Rift S">S</a></li></ul></li> <li><a href="/wiki/Onavo" title="Onavo">Onavo</a></li> <li><a href="/wiki/Facebook_Paper" title="Facebook Paper">Paper</a></li> <li><a href="/wiki/Facebook_Slingshot" title="Facebook Slingshot">Slingshot</a></li> <li><a href="/wiki/Tbh_(app)" class="mw-redirect" title="Tbh (app)">tbh</a></li> <li><a href="/wiki/Wirehog" title="Wirehog">Wirehog</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">People</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Founders</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Mark_Zuckerberg" title="Mark Zuckerberg">Mark Zuckerberg</a> (28% equity)</li> <li><a href="/wiki/Dustin_Moskovitz" title="Dustin Moskovitz">Dustin Moskovitz</a> (7%)</li> <li><a href="/wiki/Eduardo_Saverin" title="Eduardo Saverin">Eduardo Saverin</a> (<i>5%, formerly</i>)</li> <li><a href="/wiki/Chris_Hughes" title="Chris Hughes">Chris Hughes</a> (<i>1%, formerly</i>)</li> <li><a href="/wiki/Andrew_McCollum" title="Andrew McCollum">Andrew McCollum</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Board</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Current</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Mark_Zuckerberg" title="Mark Zuckerberg">Mark Zuckerberg</a></li> <li><a href="/wiki/Marc_Andreessen" title="Marc Andreessen">Marc Andreessen</a></li> <li><a href="/wiki/John_D._Arnold" title="John D. Arnold">John D. Arnold</a></li> <li><a href="/wiki/Drew_Houston" title="Drew Houston">Drew Houston</a></li> <li><a href="/wiki/Nancy_Killefer" title="Nancy Killefer">Nancy Killefer</a></li> <li><a href="/wiki/Robert_M._Kimmitt" title="Robert M. Kimmitt">Robert M. Kimmitt</a></li> <li><a href="/wiki/Hock_Tan" title="Hock Tan">Hock Tan</a></li> <li><a href="/wiki/Tony_Xu" title="Tony Xu">Tony Xu</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Former</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sheryl_Sandberg" title="Sheryl Sandberg">Sheryl Sandberg</a></li> <li><a href="/wiki/Peter_Thiel" title="Peter Thiel">Peter Thiel</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Executive<br />officers</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Current</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Mark_Zuckerberg" title="Mark Zuckerberg">Mark Zuckerberg</a> (Chairman and CEO)</li> <li><a href="/wiki/Javier_Olivan" title="Javier Olivan">Javier Olivan</a> (COO)</li> <li><a href="/wiki/Andrew_Bosworth" title="Andrew Bosworth">Andrew Bosworth</a> (CTO)</li> <li><a href="/wiki/Chris_Cox_(manager)" title="Chris Cox (manager)">Chris Cox</a> (CPO)</li> <li><a href="/wiki/Nick_Clegg" title="Nick Clegg">Nick Clegg</a> (President of Global Affairs)</li> <li><a href="/wiki/Jennifer_Gillian_Newstead" title="Jennifer Gillian Newstead">Jennifer Newstead</a> (Chief Legal Officer)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Former</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sean_Parker" title="Sean Parker">Sean Parker</a> (<i>4%, formerly</i>)</li> <li><a href="/wiki/Owen_Van_Natta" title="Owen Van Natta">Owen Van Natta</a></li> <li><a href="/wiki/Gideon_Yu" title="Gideon Yu">Gideon Yu</a></li> <li><a href="/wiki/Adam_D%27Angelo" title="Adam D'Angelo">Adam D'Angelo</a></li> <li><a href="/wiki/Chris_Kelly_(entrepreneur)" title="Chris Kelly (entrepreneur)">Chris Kelly</a></li> <li><a href="/wiki/Bret_Taylor" title="Bret Taylor">Bret Taylor</a></li> <li><a href="/wiki/Sheryl_Sandberg" title="Sheryl Sandberg">Sheryl Sandberg</a></li> <li><a href="/wiki/Mike_Schroepfer" title="Mike Schroepfer">Mike Schroepfer</a></li> <li><a href="/wiki/David_Wehner" title="David Wehner">David Wehner</a></li> <li><a href="/wiki/David_Ebersman" title="David Ebersman">David Ebersman</a></li> <li><a href="/wiki/Marne_Levine" title="Marne Levine">Marne Levine</a></li> <li><a href="/wiki/Alex_Stamos" title="Alex Stamos">Alex Stamos</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Oversight_Board_(Meta)" title="Oversight Board (Meta)">Oversight<br />Board</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Members</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Catalina_Botero_Marino" title="Catalina Botero Marino">Catalina Botero Marino</a>, Co-Chair (2020–)</li> <li><a href="/wiki/Jamal_Greene" title="Jamal Greene">Jamal Greene</a>, Co-Chair (2020–)</li> <li><a href="/wiki/Michael_W._McConnell" title="Michael W. McConnell">Michael W. McConnell</a>, Co-Chair (2020–)</li> <li><a href="/wiki/Helle_Thorning-Schmidt" title="Helle Thorning-Schmidt">Helle Thorning-Schmidt</a>, Co-Chair (2020–)</li> <li><a href="/wiki/Afia_Asantewaa_Asare-Kyei" title="Afia Asantewaa Asare-Kyei">Afia Asantewaa Asare-Kyei</a> (2020–)</li> <li><a href="/wiki/Evelyn_Aswad" title="Evelyn Aswad">Evelyn Aswad</a> (2020–)</li> <li><a href="/wiki/Endy_Bayuni" title="Endy Bayuni">Endy Bayuni</a> (2020–)</li> <li><a href="/wiki/Katherine_Chen" title="Katherine Chen">Katherine Chen</a> (2020–)</li> <li><a href="/wiki/Nighat_Dad" title="Nighat Dad">Nighat Dad</a> (2020–)</li> <li><a href="/wiki/Tawakkol_Karman" title="Tawakkol Karman">Tawakkol Karman</a> (2020–)</li> <li><a href="/wiki/Maina_Kiai" title="Maina Kiai">Maina Kiai</a> (2020–)</li> <li><a href="/wiki/Sudhir_Krishnaswamy" title="Sudhir Krishnaswamy">Sudhir Krishnaswamy</a> (2020–)</li> <li><a href="/wiki/Ronaldo_Lemos" title="Ronaldo Lemos">Ronaldo Lemos</a> (2020–)</li> <li><a href="/wiki/Julie_Owono" title="Julie Owono">Julie Owono</a> (2020–)</li> <li><a href="/wiki/Emi_Palmor" title="Emi Palmor">Emi Palmor</a> (2020–)</li> <li><a href="/wiki/Alan_Rusbridger" title="Alan Rusbridger">Alan Rusbridger</a> (2020–)</li> <li><a href="/wiki/Andr%C3%A1s_Saj%C3%B3" title="András Sajó">András Sajó</a> (2020–)</li> <li><a href="/wiki/John_Samples" title="John Samples">John Samples</a> (2020–)</li> <li>Nicolas Suzor (2020–)</li> <li><a href="/wiki/Suzanne_Nossel" title="Suzanne Nossel">Suzanne Nossel</a> (2021–)</li> <li>Khaled Mansour (2022–)</li> <li>Pamela San Martin (2022–)</li> <li>Paolo Carozza (2022–)</li> <li><a href="/wiki/Kenji_Yoshino" title="Kenji Yoshino">Kenji Yoshino</a> (2023–)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Board of<br />Trustees</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Stephen_Neal_(lawyer)" title="Stephen Neal (lawyer)">Stephen Neal</a>, Chair (2021–)</li> <li>Kristina Arriaga (2020–)</li> <li>Cherine Chalaby (2020–)</li> <li>Wanda Felton (2020–)</li> <li><a href="/wiki/Kate_O%27Regan" title="Kate O'Regan">Kate O'Regan</a> (2020–)</li> <li><a href="/wiki/Robert_Post_(law_professor)" title="Robert Post (law professor)">Robert Post</a> (2020–)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Former<br />members</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pamela_S._Karlan" title="Pamela S. Karlan">Pamela S. Karlan</a> (Board Member, 2020–2021)</li> <li><a href="/wiki/Paul_G._Haaga_Jr." title="Paul G. Haaga Jr.">Paul G. Haaga Jr.</a> (Board of Trustees Chair, 2020–2021)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Notable<br />employees</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Current</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lars_Rasmussen_(software_developer)" title="Lars Rasmussen (software developer)">Lars Rasmussen</a> (Graph Search director)</li> <li><a href="/wiki/Naomi_Gleit" title="Naomi Gleit">Naomi Gleit</a> (VP of social good)</li> <li><a href="/wiki/Nicola_Mendelsohn" title="Nicola Mendelsohn">Nicola Mendelsohn</a> (head of Global Business Group)</li> <li><a href="/wiki/Adam_Mosseri" title="Adam Mosseri">Adam Mosseri</a> (head of Instagram)</li> <li><a href="/wiki/Thomas_Reardon" title="Thomas Reardon">Thomas Reardon</a> (<a href="/wiki/Reality_Labs" title="Reality Labs">Reality Labs</a> director)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Former</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blake_Ross" title="Blake Ross">Blake Ross</a> (Director of Product)</li> <li><a href="/wiki/Ted_Ullyot" title="Ted Ullyot">Ted Ullyot</a> (VP, General Counsel, and Secretary)</li> <li><a href="/wiki/Hugo_Barra" title="Hugo Barra">Hugo Barra</a> (VP of <a href="/wiki/Reality_Labs" title="Reality Labs">Reality Labs</a>)</li> <li><a href="/wiki/John_Carmack" title="John Carmack">John Carmack</a> (CTO of <a href="/wiki/Reality_Labs" title="Reality Labs">Reality Labs</a>)</li> <li><a href="/wiki/Matt_Cohler" title="Matt Cohler">Matt Cohler</a></li> <li><a href="/wiki/Charlie_Cheever" title="Charlie Cheever">Charlie Cheever</a></li> <li><a href="/wiki/Randi_Zuckerberg" title="Randi Zuckerberg">Randi Zuckerberg</a></li> <li><a href="/wiki/Yishan_Wong" title="Yishan Wong">Yishan Wong</a></li> <li><a href="/wiki/George_Hotz" title="George Hotz">George Hotz</a></li> <li><a href="/wiki/Joe_Lockhart" title="Joe Lockhart">Joe Lockhart</a></li> <li><a href="/wiki/Andrei_Alexandrescu" title="Andrei Alexandrescu">Andrei Alexandrescu</a> (research scientist)</li> <li><a href="/wiki/Chamath_Palihapitiya" title="Chamath Palihapitiya">Chamath Palihapitiya</a> (VP of User Growth)</li> <li><a href="/wiki/Elliot_Schrage" title="Elliot Schrage">Elliot Schrage</a> (VP of Global Communications, Marketing and Public Policy)</li> <li><a href="/wiki/Frances_Haugen" title="Frances Haugen">Frances Haugen</a> (Product Manager of Civic Integrity Team)</li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Open source</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Apache_Cassandra" title="Apache Cassandra">Apache Cassandra</a></li> <li><a href="/wiki/Apache_Hive" title="Apache Hive">Apache Hive</a></li> <li><a href="/wiki/Apache_Thrift" title="Apache Thrift">Apache Thrift</a></li> <li><a href="/wiki/Buck_(software)" title="Buck (software)">Buck</a></li> <li><a href="/wiki/Facebook_Query_Language" title="Facebook Query Language">FQL</a></li> <li><a href="/wiki/Hack_(programming_language)" title="Hack (programming language)">Hack</a></li> <li><a href="/wiki/HHVM" title="HHVM">HHVM</a></li> <li><a href="/wiki/HipHop_for_PHP" title="HipHop for PHP">HipHop for PHP</a></li> <li><a href="/wiki/Infer_Static_Analyzer" title="Infer Static Analyzer">Infer</a></li> <li><a href="/wiki/MyRocks" title="MyRocks">MyRocks</a></li> <li><a href="/wiki/Open_Compute_Project" title="Open Compute Project">Open Compute Project</a></li> <li><a href="/wiki/Phabricator" title="Phabricator">Phabricator</a></li> <li><a href="/wiki/React_(software)" title="React (software)">React</a></li> <li><a href="/wiki/React_Native" title="React Native">React Native</a></li> <li><a href="/wiki/RocksDB" title="RocksDB">RocksDB</a></li> <li><a href="/wiki/Scribe_(log_server)" title="Scribe (log server)">Scribe</a></li> <li><a href="/wiki/Telecom_Infra_Project" title="Telecom Infra Project">Telecom Infra Project</a></li> <li><a href="/wiki/Tornado_(web_server)" title="Tornado (web server)">Tornado</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Mass media</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/The_Facebook_Effect" title="The Facebook Effect">The Facebook Effect</a></i></li> <li><i><a href="/wiki/The_Accidental_Billionaires" title="The Accidental Billionaires">The Accidental Billionaires</a></i></li> <li><i><a href="/wiki/The_Social_Network" title="The Social Network">The Social Network</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Concepts</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Activity_stream" title="Activity stream">Activity stream</a></li> <li><a href="/wiki/Social_graph" title="Social graph">Social graph</a></li> <li><a href="/wiki/Friending_and_following" title="Friending and following">Friending and following</a></li> <li><a href="/wiki/Reblogging" title="Reblogging">Reblogging</a></li> <li><a href="/wiki/Fan-gating" title="Fan-gating">Fan-gating</a></li> <li><a href="/wiki/Digital_diplomacy#Facebook_diplomacy" title="Digital diplomacy">Facebook diplomacy</a></li> <li><a href="/wiki/Facebook_like_button" title="Facebook like button">Facebook like button</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Business</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/History_of_Facebook" title="History of Facebook">History of Facebook</a></li> <li><a href="/wiki/Timeline_of_Instagram" title="Timeline of Instagram">Timeline of Instagram</a></li> <li><a href="/wiki/Timeline_of_WhatsApp" title="Timeline of WhatsApp">Timeline of WhatsApp</a></li> <li><a href="/wiki/List_of_mergers_and_acquisitions_by_Meta_Platforms" title="List of mergers and acquisitions by Meta Platforms">Acquisitions</a></li> <li><a href="/wiki/Facebook_F8" title="Facebook F8">f8 conference</a></li> <li><a href="/wiki/Initial_public_offering_of_Facebook" title="Initial public offering of Facebook">IPO</a></li> <li><a href="/wiki/Censorship_of_Facebook" title="Censorship of Facebook">Censorship</a></li> <li><a href="/wiki/Criticism_of_Facebook" title="Criticism of Facebook">Criticism</a> <ul><li><a href="/wiki/Facebook%E2%80%93Cambridge_Analytica_data_scandal" title="Facebook–Cambridge Analytica data scandal">Cambridge Analytica data scandal</a></li> <li><a href="/wiki/2020_Facebook_ad_boycotts" title="2020 Facebook ad boycotts">2020 ad boycotts</a></li> <li><a href="/wiki/2021_Facebook_leak" title="2021 Facebook leak">2021 company files leak</a></li> <li><a href="/wiki/Privacy_concerns_with_Facebook" title="Privacy concerns with Facebook">Privacy</a></li> <li><a href="/wiki/Facebook_content_management_controversies" title="Facebook content management controversies">Content management</a></li></ul></li> <li><a href="/wiki/Lawsuits_involving_Meta_Platforms" title="Lawsuits involving Meta Platforms">Litigation</a></li> <li><i><a href="/wiki/Young_v._Facebook,_Inc." title="Young v. Facebook, Inc.">Young v. Facebook, Inc.</a></i> (2011)</li> <li><i><a href="/wiki/Fraley_v._Facebook,_Inc." title="Fraley v. Facebook, Inc.">Fraley v. Facebook, Inc.</a></i> (2016)</li> <li><i><a href="/wiki/Force_v._Facebook,_Inc." title="Force v. Facebook, Inc.">Force v. Facebook, Inc.</a></i> (2019)</li> <li><i><a href="/wiki/Facebook,_Inc._v._Duguid" title="Facebook, Inc. v. Duguid">Facebook, Inc. v. Duguid</a></i> (2021)</li> <li><i><a href="/wiki/Federal_Trade_Commission_v._Meta_Platforms,_Inc." title="Federal Trade Commission v. Meta Platforms, Inc.">Federal Trade Commission v. Meta Platforms, Inc.</a></i> (ongoing)</li> <li><a href="/wiki/Meta_and_unions" title="Meta and unions">unionization</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Lists</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_most-followed_Facebook_pages" title="List of most-followed Facebook pages">Most-followed Facebook pages</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Priscilla_Chan" title="Priscilla Chan">Priscilla Chan</a> (wife of Mark Zuckerberg)</li> <li><a href="/wiki/Chan_Zuckerberg_Initiative" title="Chan Zuckerberg Initiative">Chan Zuckerberg Initiative</a></li> <li><a href="/wiki/Facebook_Aquila" title="Facebook Aquila">Aquila Internet relay drone</a></li> <li><a href="/wiki/Willow_Village" title="Willow Village">Willow Village</a></li> <li><a href="/wiki/WaveGroup_Sound" title="WaveGroup Sound">WaveGroup Sound</a></li> <li><a href="/wiki/2021_Facebook_outage" title="2021 Facebook outage">2021 Facebook outage</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Social_networking_services" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Social_networking_services" title="Template:Social networking services"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Social_networking_services" title="Template talk:Social networking services"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Social_networking_services" title="Special:EditPage/Template:Social networking services"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Social_networking_services" style="font-size:114%;margin:0 4em"><a href="/wiki/Social_networking_service" title="Social networking service">Social networking services</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_social_networking_services" title="List of social networking services">Personal</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/23snaps" title="23snaps">23snaps</a></li> <li><a href="/wiki/Amikumu" title="Amikumu">Amikumu</a></li> <li><a href="/wiki/Anobii" title="Anobii">anobii</a></li> <li><a href="/wiki/Are.na" title="Are.na">Are.na</a></li> <li><a href="/wiki/Ask.fm" title="Ask.fm">Ask.fm</a></li> <li><a href="/wiki/Badoo" title="Badoo">Badoo</a></li> <li><a href="/wiki/BeReal" title="BeReal">BeReal</a></li> <li><a href="/wiki/Bluesky" title="Bluesky">Bluesky</a></li> <li><a href="/wiki/BharatMatrimony" title="BharatMatrimony">BharatMatrimony</a></li> <li><a href="/wiki/Bondee" title="Bondee">Bondee</a></li> <li><a href="/wiki/Bumble" title="Bumble">Bumble</a></li> <li><a href="/wiki/Cara_(app)" title="Cara (app)">Cara</a></li> <li><a href="/wiki/Clubhouse_(app)" title="Clubhouse (app)">Clubhouse</a></li> <li><a href="/wiki/Cohost" title="Cohost">Cohost</a></li> <li><a href="/wiki/Convoz" title="Convoz">Convoz</a></li> <li><a href="/wiki/Cyworld" title="Cyworld">Cyworld</a></li> <li><a href="/wiki/Diaspora_(social_network)" title="Diaspora (social network)">Diaspora</a></li> <li><a href="/wiki/Display_(social_network)" title="Display (social network)">display</a></li> <li><a href="/wiki/Douban" title="Douban">Douban</a></li> <li><a href="/wiki/Draugiem.lv" title="Draugiem.lv">Draugiem.lv</a></li> <li><a href="/wiki/Facebook" title="Facebook">Facebook</a></li> <li><a href="/wiki/Foursquare_City_Guide" title="Foursquare City Guide">Foursquare City Guide</a></li> <li><a href="/wiki/Foursquare_Swarm" title="Foursquare Swarm">Foursquare Swarm</a></li> <li><a href="/wiki/Friendica" title="Friendica">Friendica</a></li> <li><a href="/wiki/Gab_(social_network)" title="Gab (social network)">Gab</a></li> <li><a href="/wiki/Gapo" title="Gapo">Gapo</a></li> <li><a href="/wiki/Gas_(app)" title="Gas (app)">Gas</a></li> <li><a href="/wiki/Gettr" title="Gettr">Gettr</a></li> <li><a href="/wiki/GNU_social" title="GNU social">GNU social</a></li> <li><a href="/wiki/Hi5" title="Hi5">Hi5</a></li> <li><a href="/wiki/Hive_Social" title="Hive Social">Hive Social</a></li> <li><a href="/wiki/Huddles_(app)" title="Huddles (app)">Huddles</a></li> <li><a href="/wiki/Idka" title="Idka">Idka</a></li> <li><a href="/wiki/Instagram" title="Instagram">Instagram</a> <ul><li><a href="/wiki/IGTV" title="IGTV">IGTV</a></li></ul></li> <li><a href="/wiki/IRC-Galleria" title="IRC-Galleria">IRC-Galleria</a></li> <li><a href="/wiki/Kuaishou" title="Kuaishou">Kuaishou</a></li> <li><a href="/wiki/Kumu_(social_network)" title="Kumu (social network)">Kumu</a></li> <li><a href="/wiki/Letterboxd" title="Letterboxd">Letterboxd</a></li> <li><a href="/wiki/Likee" title="Likee">Likee</a></li> <li><a href="/wiki/LiveJournal" title="LiveJournal">LiveJournal</a></li> <li><a href="/wiki/Jeevansathi.com" title="Jeevansathi.com">Jeevansathi.com</a></li> <li><a href="/wiki/Matrimony.com" title="Matrimony.com">Matrimony.com</a></li> <li><a href="/wiki/Marco_Polo_(app)" title="Marco Polo (app)">Marco Polo</a></li> <li><a href="/wiki/Mastodon_(social_network)" title="Mastodon (social network)">Mastodon</a></li> <li><a href="/wiki/The_Meet_Group" title="The Meet Group">The Meet Group</a></li> <li><a href="/wiki/Meetup" title="Meetup">Meetup</a></li> <li><a href="/wiki/MeWe" title="MeWe">MeWe</a></li> <li><a href="/wiki/Miaopai" title="Miaopai">Miaopai</a></li> <li><a href="/wiki/Micro.blog" title="Micro.blog">micro.blog</a></li> <li><a href="/wiki/Minds_(social_network)" title="Minds (social network)">Minds</a></li> <li><a href="/wiki/Mixi" title="Mixi">Mixi</a></li> <li><a href="/wiki/MX_Player#MX_TakaTak" title="MX Player">MX TakaTak</a></li> <li><a href="/wiki/My_World@Mail.Ru" title="My World@Mail.Ru">My World@Mail.Ru</a></li> <li><a href="/wiki/Myspace" title="Myspace">Myspace</a></li> <li><a href="/wiki/Nextdoor" title="Nextdoor">Nextdoor</a></li> <li><a href="/wiki/Odnoklassniki" title="Odnoklassniki">Odnoklassniki</a></li> <li><a href="/wiki/Parler" title="Parler">Parler</a></li> <li><a href="/wiki/Peach_(social_network)" title="Peach (social network)">Peach</a></li> <li><a href="/wiki/Pinterest" title="Pinterest">Pinterest</a></li> <li><a href="/wiki/Pixnet" title="Pixnet">Pixnet</a></li> <li><a href="/wiki/Pleroma_(software)" title="Pleroma (software)">Pleroma</a></li> <li><a href="/wiki/Plurk" title="Plurk">Plurk</a></li> <li><a href="/wiki/Promo.com" title="Promo.com">Promo.com</a></li> <li><a href="/wiki/Qzone" title="Qzone">Qzone</a></li> <li><a href="/wiki/Readgeek" title="Readgeek">Readgeek</a></li> <li><a href="/wiki/Renren" title="Renren">Renren</a></li> <li><a href="/wiki/Shaadi.com" title="Shaadi.com">Shaadi.com</a></li> <li><a href="/wiki/ShareChat" title="ShareChat">ShareChat</a></li> <li><a href="/wiki/Snapchat" title="Snapchat">Snapchat</a></li> <li><a href="/wiki/Snow_(app)" title="Snow (app)">SNOW</a></li> <li><a href="/wiki/Spaces_(social_network)" title="Spaces (social network)">Spaces</a></li> <li><a href="/wiki/Tagged_(website)" title="Tagged (website)">Tagged</a></li> <li><a href="/wiki/Tal_Canal" title="Tal Canal">Tal Canal</a></li> <li><a href="/wiki/Threads_(social_network)" title="Threads (social network)">Threads</a></li> <li><a href="/wiki/TikTok" title="TikTok">TikTok</a></li> <li><a href="/wiki/Tinder_(app)" title="Tinder (app)">Tinder</a></li> <li><a href="/wiki/Triller_(app)" title="Triller (app)">Triller</a></li> <li><a href="/wiki/Truth_Social" title="Truth Social">Truth Social</a></li> <li><a href="/wiki/Tuenti" title="Tuenti">Tuenti</a></li> <li><a href="/wiki/Tumblr" title="Tumblr">Tumblr</a></li> <li><a href="/wiki/TV_Time" title="TV Time">TV Time</a></li> <li><a href="/wiki/Twitter" title="Twitter">Twitter</a></li> <li><a href="/wiki/Untappd" title="Untappd">Untappd</a></li> <li><a href="/wiki/Vero_(app)" title="Vero (app)">Vero</a></li> <li><a href="/wiki/VK_(service)" title="VK (service)">VK</a></li> <li><a href="/wiki/Weibo" title="Weibo">Weibo</a></li> <li><a href="/wiki/Whisper_(app)" title="Whisper (app)">Whisper</a></li> <li><a href="/wiki/Xiaohongshu" title="Xiaohongshu">Xiaohongshu</a></li> <li><a href="/wiki/Yik_Yak" title="Yik Yak">Yik Yak</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Professional_network_service" title="Professional network service">Professional</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Academia.edu" title="Academia.edu">Academia.edu</a></li> <li><a href="/wiki/Behance" title="Behance">Behance</a></li> <li><a href="/wiki/Brainly" title="Brainly">Brainly</a></li> <li><a href="/wiki/HCL_Connections" title="HCL Connections">HCL Connections</a></li> <li><a href="/wiki/LinkedIn" title="LinkedIn">LinkedIn</a></li> <li><a href="/wiki/Moodle" title="Moodle">Moodle</a></li> <li><a href="/wiki/ResearchGate" title="ResearchGate">ResearchGate</a></li> <li><a href="/wiki/Solaborate" title="Solaborate">Solaborate</a></li> <li><a href="/wiki/Viadeo" title="Viadeo">Viadeo</a></li> <li><a href="/wiki/XING" title="XING">XING</a></li> <li><a href="/wiki/Yammer" class="mw-redirect" title="Yammer">Yammer</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_defunct_social_networking_services" title="List of defunct social networking services">Defunct</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/App.net" title="App.net">App.net</a></li> <li><a href="/wiki/AsianAve" title="AsianAve">AsianAve</a></li> <li><a href="/wiki/Avatars_United" title="Avatars United">Avatars United</a></li> <li><a href="/wiki/Bebo" title="Bebo">Bebo</a></li> <li><a href="/wiki/Bolt_(website)" title="Bolt (website)">Bolt</a></li> <li><a href="/wiki/BranchOut" title="BranchOut">BranchOut</a></li> <li><a href="/wiki/Capazoo" title="Capazoo">Capazoo</a></li> <li><a href="/wiki/Cloob" title="Cloob">Cloob</a></li> <li><a href="/wiki/EConozco" title="EConozco">eConozco</a></li> <li><a href="/wiki/Edmodo" title="Edmodo">Edmodo</a></li> <li><a href="/wiki/Ello_(social_network)" title="Ello (social network)">Ello</a></li> <li><a href="/wiki/Emojli" title="Emojli">Emojli</a></li> <li><a href="/wiki/EWorld" title="EWorld">eWorld</a></li> <li><a href="/wiki/Eyegroove" title="Eyegroove">Eyegroove</a></li> <li><a href="/wiki/FitFinder" title="FitFinder">FitFinder</a></li> <li><a href="/wiki/FriendFeed" title="FriendFeed">FriendFeed</a></li> <li><a href="/wiki/Friends_Reunited" title="Friends Reunited">Friends Reunited</a></li> <li><a href="/wiki/Friendster" title="Friendster">Friendster</a></li> <li><a href="/wiki/Google%2B" title="Google+">Google+</a></li> <li><a href="/wiki/Google_Buzz" title="Google Buzz">Google Buzz</a></li> <li><a href="/wiki/Google_Currents_(social_app)" title="Google Currents (social app)">Google Currents</a></li> <li><a href="/wiki/Grono.net" title="Grono.net">Grono.net</a></li> <li><a href="/wiki/Heello" title="Heello">Heello</a></li> <li><a href="/wiki/Hello_(social_network)" title="Hello (social network)">Hello</a></li> <li><a href="/wiki/Highlight_(application)" title="Highlight (application)">Highlight</a></li> <li><a href="/wiki/Houseparty_(app)" title="Houseparty (app)">Houseparty</a></li> <li><a href="/wiki/Hyves" title="Hyves">Hyves</a></li> <li><a href="/wiki/IdeaPlane" title="IdeaPlane">IdeaPlane</a></li> <li><a href="/wiki/ITunes_Ping" title="ITunes Ping">iTunes Ping</a></li> <li><a href="/wiki/IWiW" title="IWiW">iWiW</a></li> <li><a href="/wiki/Jaiku" title="Jaiku">Jaiku</a></li> <li><a href="/wiki/Keek" title="Keek">Keek</a></li> <li><a href="/wiki/Koo_(social_network)" title="Koo (social network)">Koo</a></li> <li><a href="/wiki/Lifeknot" title="Lifeknot">Lifeknot</a></li> <li><a href="/wiki/LunarStorm" title="LunarStorm">LunarStorm</a></li> <li><a href="/wiki/Me2day" title="Me2day">Me2day</a></li> <li><a href="/wiki/Meerkat_(app)" title="Meerkat (app)">Meerkat</a></li> <li><a href="/wiki/Miiverse" title="Miiverse">Miiverse</a></li> <li><a href="/wiki/MixBit" title="MixBit">MixBit</a></li> <li><a href="/wiki/Mobli" title="Mobli">Mobli</a></li> <li><a href="/wiki/Mugshot_(website)" title="Mugshot (website)">Mugshot</a></li> <li><a href="/wiki/Multiply_(website)" title="Multiply (website)">Multiply</a></li> <li><a href="/wiki/Musical.ly" title="Musical.ly">Musical.ly</a></li> <li><a href="/wiki/Natter_(social_network)" title="Natter (social network)">Natter</a></li> <li><a href="/wiki/Netlog" title="Netlog">Netlog</a></li> <li><a href="/wiki/NK.pl" title="NK.pl">NK.pl</a></li> <li><a href="/wiki/Orkut" title="Orkut">Orkut</a></li> <li><a href="/wiki/Path_(social_network)" title="Path (social network)">Path</a></li> <li><a href="/wiki/Periscope_(service)" title="Periscope (service)">Periscope</a></li> <li><a href="/wiki/Pheed" title="Pheed">Pheed</a></li> <li><a href="/wiki/Piczo" title="Piczo">Piczo</a></li> <li><a href="/wiki/PlanetAll" title="PlanetAll">PlanetAll</a></li> <li><a href="/wiki/Posterous" title="Posterous">Posterous</a></li> <li><a href="/wiki/Pownce" title="Pownce">Pownce</a></li> <li><a href="/wiki/Qaiku" title="Qaiku">Qaiku</a></li> <li><a href="/wiki/Sciencescape" class="mw-redirect" title="Sciencescape">Sciencescape</a> (Meta<sup>α</sup>)</li> <li><a href="/wiki/SixDegrees.com" title="SixDegrees.com">SixDegrees.com</a></li> <li><a href="/wiki/Skyrock_(social_network_site)" title="Skyrock (social network site)">Skyrock</a></li> <li><a href="/wiki/So.cl" title="So.cl">So.cl</a></li> <li><a href="/wiki/Spotify_Live" title="Spotify Live">Spotify Live</a></li> <li><a href="/wiki/Spring.me" title="Spring.me">Spring.me</a></li> <li><a href="/wiki/Streetlife_(website)" title="Streetlife (website)">Streetlife</a></li> <li><a href="/wiki/StudiVZ" title="StudiVZ">StudiVZ</a></li> <li><a href="/wiki/Surfbook" title="Surfbook">Surfbook</a></li> <li><a href="/wiki/Talkbits" title="Talkbits">Talkbits</a></li> <li><a href="/wiki/Taringa!" title="Taringa!">Taringa!</a></li> <li><a href="/wiki/Tbh" title="Tbh">tbh</a></li> <li><a href="/wiki/Tea_Party_Community" title="Tea Party Community">Tea Party Community</a></li> <li><a href="/wiki/Third_Voice" title="Third Voice">Third Voice</a></li> <li><a href="/wiki/Tout_(company)" title="Tout (company)">Tout</a></li> <li><a href="/wiki/Tribe.net" title="Tribe.net">tribe.net</a></li> <li><a href="/wiki/Tvtag" title="Tvtag">tvtag</a></li> <li><a href="/wiki/Vine_(service)" title="Vine (service)">Vine</a></li> <li><a href="/wiki/Windows_Live_Spaces" title="Windows Live Spaces">Windows Live Spaces</a></li> <li><a href="/wiki/Wretch_(website)" title="Wretch (website)">Wretch</a></li> <li><a href="/wiki/Xanga" title="Xanga">Xanga</a></li> <li><a href="/wiki/Yahoo_360%C2%B0" title="Yahoo 360°">Yahoo! 360°</a></li> <li><a href="/wiki/Yahoo_Kickstart" title="Yahoo Kickstart">Yahoo! Kickstart</a></li> <li><a href="/wiki/Yahoo_Mash" title="Yahoo Mash">Yahoo! Mash</a></li> <li><a href="/wiki/Yahoo_Meme" title="Yahoo Meme">Yahoo! Meme</a></li> <li><a href="/wiki/Yo_(app)" title="Yo (app)">Yo</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Services</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Comparison_of_social_networking_software" title="Comparison of social networking software">Software comparison</a></li> <li><a href="/wiki/White-label_product" title="White-label product">White-label</a> <ul><li><a href="/wiki/Ning_(website)" title="Ning (website)">Ning</a></li> <li><a href="/wiki/Wall.fm" title="Wall.fm">Wall.fm</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Tools</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Social_network_analysis_software" title="Social network analysis software">Analysis software</a></li> <li><a href="/wiki/Diaspora_(social_network)" title="Diaspora (social network)">Diaspora</a></li> <li><a href="/wiki/Web_2.0_Suicide_Machine" title="Web 2.0 Suicide Machine">Web 2.0 Suicide Machine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Concepts</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Attention_inequality" title="Attention inequality">Attention inequality</a></li> <li><a href="/wiki/Confessions_page" title="Confessions page">Confessions page</a></li> <li><a href="/wiki/Cybersectarianism" title="Cybersectarianism">Cybersectarianism</a></li> <li><a href="/wiki/Fediverse" title="Fediverse">Fediverse</a></li> <li><a href="/wiki/Online_identity" title="Online identity">Online identity</a></li> <li><a href="/wiki/Small-world_experiment" title="Small-world experiment">Small-world experiment</a></li> <li><a href="/wiki/Small-world_network" title="Small-world network">Small-world network</a></li> <li><a href="/wiki/Social_network" title="Social network">Social network</a></li> <li><a href="/wiki/Thirst_trap" title="Thirst trap">Thirst trap</a></li> <li><a href="/wiki/User_profile" title="User profile">User profile</a></li> <li><a href="/wiki/Virtual_community" title="Virtual community">Virtual community</a> <ul><li><a href="/wiki/List_of_virtual_communities_with_more_than_1_million_users" title="List of virtual communities with more than 1 million users">list</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Applications</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hospitality_exchange_service" title="Hospitality exchange service">Hospitality exchange service</a></li> <li><a href="/wiki/Mobile_social_network" title="Mobile social network">Mobile</a></li> <li><a href="/wiki/Online_dating" title="Online dating">Online dating</a> <ul><li><a href="/wiki/Comparison_of_online_dating_services" title="Comparison of online dating services">comparison</a></li></ul></li> <li><a href="/wiki/Social_network_advertising" title="Social network advertising">Social network advertising</a></li> <li><a href="/wiki/Social_network_hosting_service" title="Social network hosting service">Social network hosting service</a></li> <li><a href="/wiki/Social_profiling" title="Social profiling">Social profiling</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/User_interface" title="User interface">User interface</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Activity_stream" title="Activity stream">Activity stream</a></li> <li><a href="/wiki/Brand_page" title="Brand page">Brand page</a></li> <li><a href="/wiki/Group_(online_social_networking)" title="Group (online social networking)">Groups</a></li> <li><a href="/wiki/Hashtag" title="Hashtag">Hashtag</a></li> <li><a href="/wiki/Like_button" title="Like button">Like button</a></li> <li><a href="/wiki/Online_petition" title="Online petition">Online petitions</a></li> <li><a href="/wiki/Open-access_poll" title="Open-access poll">Polling</a></li> <li><a href="/wiki/Reblogging" title="Reblogging">Reblogging</a></li> <li><a href="/wiki/Story_(social_media)" title="Story (social media)">Story</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Implications</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Issues_relating_to_social_networking_services" title="Issues relating to social networking services">Issues</a></li> <li><a href="/wiki/Privacy_concerns_with_social_networking_services" title="Privacy concerns with social networking services">Privacy concerns</a></li> <li><a href="/wiki/Problematic_social_media_use" title="Problematic social media use">Problematic social media use</a></li> <li><a href="/wiki/Use_of_social_network_websites_in_investigations" title="Use of social network websites in investigations">Use in investigations</a></li> <li><a href="/wiki/Social_media_use_in_politics" title="Social media use in politics">Use in politics</a></li> <li><a href="/wiki/Gender_differences_in_social_network_service_use" title="Gender differences in social network service use">User gender differences</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Protocols</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ActivityPub" title="ActivityPub">ActivityPub</a></li> <li><a href="/wiki/AT_Protocol" title="AT Protocol">AT Protocol</a></li> <li><a href="/wiki/Decentralized_Social_Networking_Protocol" class="mw-redirect" title="Decentralized Social Networking Protocol">Decentralized Social Networking Protocol</a></li> <li><a href="/wiki/Distributed_Social_Networking_Protocol" title="Distributed Social Networking Protocol">Distributed Social Networking Protocol</a> (defunct)</li> <li><a href="/wiki/Micropub_(protocol)" title="Micropub (protocol)">Micropub</a></li> <li><a href="/wiki/Nostr" title="Nostr">Nostr</a></li> <li><a href="/wiki/OpenSocial" title="OpenSocial">OpenSocial</a> (defunct)</li> <li><a href="/wiki/OStatus" title="OStatus">OStatus</a></li> <li><a href="/wiki/Pump.io" title="Pump.io">Pump.io</a></li> <li><a href="/wiki/XMPP" title="XMPP">XMPP</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Semantic_Web" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Semantic_Web" title="Template:Semantic Web"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Semantic_Web" title="Template talk:Semantic Web"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Semantic_Web" title="Special:EditPage/Template:Semantic Web"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Semantic_Web" style="font-size:114%;margin:0 4em"><a href="/wiki/Semantic_Web" title="Semantic Web">Semantic Web</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Background</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Database" title="Database">Databases</a></li> <li><a href="/wiki/Hypertext" title="Hypertext">Hypertext</a></li> <li><a href="/wiki/Internet" title="Internet">Internet</a></li> <li><a href="/wiki/Ontology_(computer_science)" class="mw-redirect" title="Ontology (computer science)">Ontologies</a></li> <li><a href="/wiki/Semantics_(computer_science)" title="Semantics (computer science)">Semantics</a></li> <li><a href="/wiki/Semantic_network" title="Semantic network">Semantic networks</a></li> <li><a href="/wiki/World_Wide_Web" title="World Wide Web">World Wide Web</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Sub-topics</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Dataspaces" class="mw-redirect" title="Dataspaces">Dataspaces</a></li> <li><a href="/wiki/Hyperdata" title="Hyperdata">Hyperdata</a></li> <li><a href="/wiki/Linked_data" title="Linked data">Linked data</a></li> <li><a href="/wiki/Rule-based_system" title="Rule-based system">Rule-based systems</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Applications</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Semantic_analytics" title="Semantic analytics">Semantic analytics</a></li> <li><a href="/wiki/Semantic_broker" title="Semantic broker">Semantic broker</a></li> <li><a href="/wiki/Semantic_computing" title="Semantic computing">Semantic computing</a></li> <li><a href="/wiki/Semantic_mapper" title="Semantic mapper">Semantic mapper</a></li> <li><a href="/wiki/Semantic_matching" title="Semantic matching">Semantic matching</a></li> <li><a href="/wiki/Semantic_publishing" title="Semantic publishing">Semantic publishing</a></li> <li><a href="/wiki/Semantic_reasoner" title="Semantic reasoner">Semantic reasoner</a></li> <li><a href="/wiki/Semantic_search" title="Semantic search">Semantic search</a></li> <li><a href="/wiki/Semantic_service-oriented_architecture" title="Semantic service-oriented architecture">Semantic service-oriented architecture</a></li> <li><a href="/wiki/Semantic_wiki" title="Semantic wiki">Semantic wiki</a></li> <li><a href="/wiki/Solid_(web_decentralization_project)" title="Solid (web decentralization project)">Solid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related topics</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Collective_intelligence" title="Collective intelligence">Collective intelligence</a></li> <li><a href="/wiki/Description_logic" title="Description logic">Description logic</a></li> <li><a href="/wiki/Folksonomy" title="Folksonomy">Folksonomy</a></li> <li><a href="/wiki/Geotagging" title="Geotagging">Geotagging</a></li> <li><a href="/wiki/Information_architecture" title="Information architecture">Information architecture</a></li> <li><a href="/wiki/IXBRL" class="mw-redirect" title="IXBRL">iXBRL</a></li> <li><a href="/wiki/Knowledge_extraction" title="Knowledge extraction">Knowledge extraction</a></li> <li><a href="/wiki/Knowledge_management" title="Knowledge management">Knowledge management</a></li> <li><a href="/wiki/Knowledge_representation_and_reasoning" title="Knowledge representation and reasoning">Knowledge representation and reasoning</a></li> <li><a href="/wiki/Library_2.0" title="Library 2.0">Library 2.0</a></li> <li><a href="/wiki/Digital_library" title="Digital library">Digital library</a></li> <li><a href="/wiki/Digital_humanities" title="Digital humanities">Digital humanities</a></li> <li><a href="/wiki/Metadata" title="Metadata">Metadata</a></li> <li><a href="/wiki/Reference_(computer_science)" title="Reference (computer science)">References</a></li> <li><a href="/wiki/Topic_map" title="Topic map">Topic map</a></li> <li><a href="/wiki/Web_2.0" title="Web 2.0">Web 2.0</a></li> <li><a href="/wiki/Web_engineering" title="Web engineering">Web engineering</a></li> <li><a href="/wiki/Web_Science_Trust" title="Web Science Trust">Web Science Trust</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Standards</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Syntax and supporting technologies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HTTP" title="HTTP">HTTP</a></li> <li><a href="/wiki/Internationalized_Resource_Identifier" title="Internationalized Resource Identifier">IRI</a> <ul><li><small><a href="/wiki/Uniform_Resource_Identifier" title="Uniform Resource Identifier">URI</a></small></li></ul></li> <li><a href="/wiki/Resource_Description_Framework" title="Resource Description Framework">RDF</a> <ul><li><small><a href="/wiki/Semantic_triple" title="Semantic triple">triples</a></small></li> <li><small><a href="/wiki/RDF/XML" title="RDF/XML">RDF/XML</a></small></li> <li><small><a href="/wiki/JSON-LD" title="JSON-LD">JSON-LD</a></small></li> <li><small><a href="/wiki/Turtle_(syntax)" title="Turtle (syntax)">Turtle</a></small></li> <li><small><a href="/wiki/TriG_(syntax)" title="TriG (syntax)">TriG</a></small></li> <li><small><a href="/wiki/Notation3" title="Notation3">Notation3</a></small></li> <li><small><a href="/wiki/N-Triples" title="N-Triples">N-Triples</a></small></li> <li><small><a href="/wiki/TriX_(serialization_format)" title="TriX (serialization format)">TriX</a> (no W3C standard)</small></li></ul></li> <li><a href="/wiki/Research_Resource_Identifier" class="mw-redirect" title="Research Resource Identifier">RRID</a></li> <li><a href="/wiki/SPARQL" title="SPARQL">SPARQL</a></li> <li><a href="/wiki/XML" title="XML">XML</a></li> <li><a href="/wiki/Semantic_HTML" title="Semantic HTML">Semantic HTML</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Schemas, ontologies and rules</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Common_Logic" title="Common Logic">Common Logic</a></li> <li><a href="/wiki/Web_Ontology_Language" title="Web Ontology Language">OWL</a></li> <li><a href="/wiki/RDF_Schema" title="RDF Schema">RDFS</a></li> <li><a href="/wiki/Rule_Interchange_Format" title="Rule Interchange Format">Rule Interchange Format</a></li> <li><a href="/wiki/Semantic_Web_Rule_Language" title="Semantic Web Rule Language">Semantic Web Rule Language</a></li> <li><a href="/w/index.php?title=Application-Level_Profile_Semantics_(ALPS)&action=edit&redlink=1" class="new" title="Application-Level Profile Semantics (ALPS) (page does not exist)">ALPS</a></li> <li><a href="/wiki/SHACL" title="SHACL">SHACL</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Semantic annotation</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Embedded_RDF" title="Embedded RDF">eRDF</a></li> <li><a href="/wiki/GRDDL" title="GRDDL">GRDDL</a></li> <li><a href="/wiki/Microdata_(HTML)" title="Microdata (HTML)">Microdata</a></li> <li><a href="/wiki/Microformat" title="Microformat">Microformats</a></li> <li><a href="/wiki/RDFa" title="RDFa">RDFa</a></li> <li><a href="/wiki/SAWSDL" title="SAWSDL">SAWSDL</a></li> <li><a class="mw-selflink selflink">Facebook Platform</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Common vocabularies</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/DOAP" title="DOAP">DOAP</a></li> <li><a href="/wiki/Dublin_Core" title="Dublin Core">Dublin Core</a></li> <li><a href="/wiki/FOAF" title="FOAF">FOAF</a></li> <li><a href="/wiki/Schema.org" title="Schema.org">Schema.org</a></li> <li><a href="/wiki/Semantically_Interlinked_Online_Communities" title="Semantically Interlinked Online Communities">SIOC</a></li> <li><a href="/wiki/Simple_Knowledge_Organization_System" title="Simple Knowledge Organization System">SKOS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Microformat vocabularies</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HAtom" title="HAtom">hAtom</a></li> <li><a href="/wiki/HCalendar" title="HCalendar">hCalendar</a></li> <li><a href="/wiki/HCard" title="HCard">hCard</a></li> <li><a href="/wiki/HProduct" title="HProduct">hProduct</a></li> <li><a href="/wiki/HRecipe" title="HRecipe">hRecipe</a></li> <li><a href="/wiki/HReview" title="HReview">hReview</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" 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