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<div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" 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">Defunct social networking service</div> <p><b>Surfbook</b> was an early <a href="/wiki/Social_networking_service" title="Social networking service">social networking service</a> created by <a href="/wiki/Dutch_people" title="Dutch people">Dutch</a> <a href="/wiki/Programmer" title="Programmer">programmer</a> Joannes Jozef Everardus van der Meer in the years prior to his death in June 2004.<sup id="cite_ref-at1_1-0" class="reference"><a href="#cite_note-at1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Surfbook was based on technologies whose <a href="/wiki/Patent" title="Patent">patents</a> were filed by Van der Meer in 1998<sup id="cite_ref-bbc1_2-0" class="reference"><a href="#cite_note-bbc1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> and granted in 2001 and 2002.<sup id="cite_ref-nrc1_3-0" class="reference"><a href="#cite_note-nrc1-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> It allowed users share their information with selected people and approve posts using a <a href="/wiki/Like_button" title="Like button">"Like" button</a>,<sup id="cite_ref-bbc1_2-1" class="reference"><a href="#cite_note-bbc1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> and to link to external information.<sup id="cite_ref-at1_1-1" class="reference"><a href="#cite_note-at1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>On February 5, 2013, holders of the patents related to this site (Rembrandt Social Media, LP) filed a lawsuit against <a href="/wiki/Facebook" title="Facebook">Facebook</a> for infringement.<sup id="cite_ref-bbc1_2-2" class="reference"><a href="#cite_note-bbc1-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> In June 2014, Facebook successfully defended itself against the lawsuit after a jury found that Facebook did not infringe the patents, and separately found the patents to be invalid.<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> The plaintiff (Rembrandt Social Media, LP) appealed the verdict, but it was upheld by a federal appeals court in February 2016.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <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=Surfbook&action=edit&section=1" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-at1-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-at1_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-at1_1-1"><sup><i><b>b</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 (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFMullin2013" class="citation web cs1">Mullin, Joe (2013-02-07). <a rel="nofollow" class="external text" href="https://arstechnica.com/tech-policy/2013/02/before-facebook-there-was-surfbook-now-pay-up/">"Before Facebook there was "Surfbook"—now pay up | Ars Technica, February 7, 2013"</a>. Arstechnica.com<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-06-27</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Before+Facebook+there+was+%22Surfbook%22%E2%80%94now+pay+up+%26%23124%3B+Ars+Technica%2C+February+7%2C+2013&rft.pub=Arstechnica.com&rft.date=2013-02-07&rft.aulast=Mullin&rft.aufirst=Joe&rft_id=https%3A%2F%2Farstechnica.com%2Ftech-policy%2F2013%2F02%2Fbefore-facebook-there-was-surfbook-now-pay-up%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASurfbook" class="Z3988"></span></span> </li> <li id="cite_note-bbc1-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-bbc1_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-bbc1_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-bbc1_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.bbc.co.uk/news/technology-21411622">"BBC News - Facebook sued over 'like' button, February 11, 2013"</a>. 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Retrieved <span class="nowrap">2014-06-27</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=BBC+News+-+Facebook+sued+over+%27like%27+button%2C+February+11%2C+2013&rft.pub=Bbc.co.uk&rft.date=2013-02-11&rft_id=https%3A%2F%2Fwww.bbc.co.uk%2Fnews%2Ftechnology-21411622&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASurfbook" class="Z3988"></span></span> </li> <li id="cite_note-nrc1-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-nrc1_3-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.nrc.nl/tech/2013/02/11/liken-is-een-nederlandse-vondst/">Nederlandse ontwikkelaars klagen Facebook aan:</a> NRC Handelsblad <span class="languageicon">(in Dutch)</span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.nbcnews.com/tech/tech-news/facebook-beats-surfbook-patent-infringement-trial-n130966">"Facebook Beats Surfbook in Patent-Infringement Trial"</a>. NBC News. 2014-06-13<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-06-27</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Facebook+Beats+Surfbook+in+Patent-Infringement+Trial&rft.pub=NBC+News&rft.date=2014-06-13&rft_id=http%3A%2F%2Fwww.nbcnews.com%2Ftech%2Ftech-news%2Ffacebook-beats-surfbook-patent-infringement-trial-n130966&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASurfbook" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://lrus.wolterskluwer.com/news/ip-law-daily/facebook-did-not-infringe-rembrandt-patents-on-web-based-diary-systems-jury-verdict-stands/32577/">"Facebook did not infringe Rembrandt patents on web-based diary systems; jury verdict stands"</a>. Wolters Kulwer. 2016-02-25<span class="reference-accessdate">. Retrieved <span class="nowrap">2018-12-26</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Facebook+did+not+infringe+Rembrandt+patents+on+web-based+diary+systems%3B+jury+verdict+stands&rft.pub=Wolters+Kulwer&rft.date=2016-02-25&rft_id=https%3A%2F%2Flrus.wolterskluwer.com%2Fnews%2Fip-law-daily%2Ffacebook-did-not-infringe-rembrandt-patents-on-web-based-diary-systems-jury-verdict-stands%2F32577%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASurfbook" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://business.cch.com/ipld/rembrandtVfacebook-022516.pdf">"Opinion in Rembrandt Social Media, L.P. v. Facebook, Case No. 2014-1812, Court of Appeals for the Federal Circuit (February 25, 2016)"</a> <span class="cs1-format">(PDF)</span><span class="reference-accessdate">. Retrieved <span class="nowrap">2018-12-25</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Opinion+in+Rembrandt+Social+Media%2C+L.P.+v.+Facebook%2C+Case+No.+2014-1812%2C+Court+of+Appeals+for+the+Federal+Circuit+%28February+25%2C+2016%29&rft_id=http%3A%2F%2Fbusiness.cch.com%2Fipld%2FrembrandtVfacebook-022516.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASurfbook" class="Z3988"></span></span> </li> </ol></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl 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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_services248" 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/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/Clapper_(service)" title="Clapper (service)">Clapper</a></li> <li><a href="/wiki/Clubhouse_(app)" title="Clubhouse (app)">Clubhouse</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></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/Xiaohongshu" title="Xiaohongshu">RedNote/Xiaohongshu</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/Shuffles_by_Pinterest" title="Shuffles by Pinterest">Shuffles</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/Tellonym" title="Tellonym">Tellonym</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>/<a href="/wiki/X_(social_media_platform)" class="mw-redirect" title="X (social media platform)">X</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/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/Ask.fm" title="Ask.fm">Ask.fm</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/Cohost" title="Cohost">Cohost</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/IGTV" title="IGTV">IGTV</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 class="mw-selflink selflink">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 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