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top:-10000px; width:0px; height:0px;"></div><div class="_io" id="helpCenterRootID"><div class="clearfix _co"><div class="_cp _cn"><div class="_cr"><a class="_cq" href="/web/20130327224929/http://www.facebook.com/" title="Home"><span class="_2-a"></span></a></div><form class="_76u" action="/web/20130327224929/http://www.facebook.com/help/search/" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_d"><div class="uiTypeahead" id="u_0_0"><div class="wrap"><input type="hidden" autocomplete="off" class="hiddenInput"/><div class="innerWrap"><input type="text" class="inputtext _76v textInput DOMControl_placeholder" placeholder="Search the Help Center" name="query" value="Search the Help Center" autocomplete="off" aria-autocomplete="list" aria-expanded="false" aria-owns="typeahead_list_u_0_0" role="combobox" spellcheck="false" aria-label="Search the Help Center" id="u_0_1"/></div></div></div></form></div></div><div class="clearfix _ct"><div class="_cn"><ul class="_bp" id="u_0_e"><li class="_2vm _4pq _64e"><a href="/web/20130327224929/http://www.facebook.com/help/" class="_2vk"><span class="_4pr"></span>Help Center</a><span class="_2vl"></span></li></ul><span class="_429"></span><ul class="_cu"><li id="hc2contentEditMenu"></li><li><a class="_10r" rel="dialog" href="/web/20130327224929/http://www.facebook.com/ajax/intl/language_dialog.php?uri=http%3A%2F%2Fwww.facebook.com%2Fhelp%2Fcookies" title="Use Facebook in another language." role="button">English (US)</a></li></ul></div></div><div class="clearfix _cs"><div class="_142"><div class="_b_" role="navigation" aria-label="Help Center Sections"><div class="_c0" id="u_0_f"><noscript><ul><li class=""><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/461169603901748">Basics<span class="_2wy _2wz"></span></a></li><li class=""><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/427298957315097">Controlling Who Can Find You<span class="_2wy _2wz"></span></a></li><li class="_bw"><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/411239642246274">Troubleshoot Privacy Issues</a></li><li class="_bw"><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/405183566203254">Accessing Your Facebook Info</a></li><li class="_bw"><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/473865172623776">Minors & Privacy</a></li><li class=""><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/433551813351683">Safety<span class="_2wy _2wz"></span></a></li><li class="_bw _bz"><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/360595310676682">Cookies, Pixels & Similar Technologies</a></li><li class="_bw"><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/323540651073243">Questions About Our Privacy Policy</a></li><li class="_bw"><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/441206695902571">External Resources</a></li><li class="_3pe"><a class="_2wx clearfix" href="/web/20130327224929/http://www.facebook.com/help/445588775451827">Back<span class="_2wy _2w-"></span></a></li></ul></noscript></div></div></div><div class="_cy" id="hc2content" role="main" aria-label="Help Center"><div class="_10l"><h1 class="_3vy">Cookies, Pixels & Similar Technologies</h1><div class="_1vi"><h2 class="_1vj">How Cookies Work</h2><p class="_3p8">Cookies and other similar technologies help provide a better, faster and safer experience.</p><div class="mbl pam _3pc uiBoxLightblue dashedborder"><p class="_3p8">Technologies like cookies, pixel tags ("pixels"), and local storage are used to deliver, secure, and understand products, services, and ads, on and off Facebook. We want this page to help you understand more about these technologies and how they are used. Your browser or device may allow you to block these technologies, but you may not be able to use some features on Facebook if you block them. For more information about whether these tools are available, what they do and how they work, visit your browser or device's help material. Generally, tools like these in your browser or device affect only that particular browser or device. So if you’re using multiple browsers or devices, you can make different choices for each of them.</p><p class="_3p8"><b>Check back here from time to time to get the latest information about these technologies and how they are used</b>. </p></div><p class="_3p8"><b>What are <a href="/web/20130327224929/http://www.facebook.com/help/182104755198570">cookies</a>, <a href="/web/20130327224929/http://www.facebook.com/help/236257763148568" target="blank">pixels</a>, <a href="/web/20130327224929/http://www.facebook.com/help/330525367015217" target="blank">local storage</a> and similar technologies?</b></p><p class="_3p8">We and our affiliates, third parties, and other partners (“partners”) use these technologies for security purposes and to deliver products, services and advertisements, as well as to understand how they these products, services and advertisements are used. With these technologies, a website or application can store information on your browser or device and later read that information back. We explain more about each of these technologies and how they are used on this page.</p></div><div class="_1vi"><h2 class="_1vj">Why do we use these technologies?</h2><table cellpadding="8" class="_3p9"><tr><td style="width: 33%; padding-left: 0;"><b>Show what matters to you</b></td><td style="width: 33%;"><b>Improve your experience</b></td><td style="padding-right: 0;"><b>Protection and security</b></td></tr><tr><td valign="top" style="padding-left: 0;">They help us know who you are so we can show content that’s most relevant to you, including features, products, and ads.</td><td valign="top">They work with Facebook features and help us improve our products and services – so you can do things like see which friends are online in chat, use share buttons, and upload photos.</td><td valign="top" style="padding-right: 0;">They help secure Facebook by letting us know if someone tries to access your account or engages in activity that violates our terms. </td></tr></table><br/><table border="1" cellpadding="8" class="_3p9" style="border-collapse: collapse;"><tr><th align="left" style="width: 130px; background: #eee;">Categories of use</th><th align="left" style="background: #eee;">Examples</th></tr><tr><td style="background: #f5f5f5;">Authentication</td><td>These tools tell us when you’re logged in, so we can show you the appropriate experience and features. <br/><br/> For example, cookies, local storage and similar technologies tell us when you are logged in to Facebook so we can show you relevant and social information when you visit other websites that use our social plugins. We also use this information to understand how people use our <a href="/web/20130327224929/http://www.facebook.com/about/privacy/your-info-on-other#platform">Platform</a> and other apps and services.</td></tr><tr><td style="background: #f5f5f5;">Security and site integrity</td><td>We use these to help keep Facebook safe and secure. They support or enable security features and help us detect activity that violates our <a href="/web/20130327224929/http://www.facebook.com/legal/terms">Statement of Rights and Responsibilities</a>. <br/><br/> For example, they help protect your account from being accessed by anyone other than you. Cookies also let us know when several people have logged in from the same computer. </td></tr><tr><td style="background: #f5f5f5;">Advertising</td><td>Things like cookies and pixels are used to understand and deliver ads and make them more relevant to you. <br/><br/> For example, we may read a cookie so we can show you ads that may be interesting to you on Facebook or other websites. We may also use a cookie to learn whether someone who saw an ad on Facebook later visited the advertiser’s site. Similarly, our partners may use a cookie or another similar technology to determine whether we’ve shown an ad and how it performed or provide us with information about how you interact with them. We also may work with a partner to show you an ad on or off Facebook, such as after you’ve visited the partner’s site or app and this may involve the use of cookies, local storage on your device or other similar technologies.</td></tr><tr><td style="background: #f5f5f5;">Localization</td><td>These help Facebook provide a localized experience. <br/><br/> For example, we may store information in a cookie that is placed on your browser or device so you will see the site in your preferred language.</td></tr><tr><td style="background: #f5f5f5;">Site features and services</td><td>These provide functionality that help us deliver products and services. <br/><br/> For example, cookies help you log in by pre-filling the username field and help make chat a better experience by showing which of your friends are online. We may also use cookies and similar technologies to help us provide you and others with social plugins and other customized content and experiences, such as making suggestions to you and others. <a href="https://web.archive.org/web/20130327224929/https://www.facebook.com/about/privacy/your-info#howweuse"> Learn more</a>. </td></tr><tr><td style="background: #f5f5f5;">Performance</td><td>We use these to provide you with the best experience possible. <br/><br/> For example, we may use a cookie to help us route traffic between servers and understand how quickly Facebook loads for different users. Sometimes we may store information on your browser or device so Facebook features you are using load and respond faster.</td></tr><tr><td style="background: #f5f5f5;">Analytics and research</td><td>These are used to understand, improve, and research products and services, including when you access Facebook or other websites and apps from a computer or mobile device. <br/><br/> For example, we may use cookies to understand how you are using social plugins to improve them. We and our partners may use these technologies and the information we receive to improve and understand how you use websites, apps, products, services and ads. We may share information about this analysis with our partners. </td></tr></table><p class="_3p8">The specific names of the cookies, pixels and other similar technologies that we use may change from time to time, but they generally will fall into the above categories. If you’d like to learn more about these tools, review our <a href="/web/20130327224929/http://www.facebook.com/about/privacy/cookies">Data Use Policy</a>. You can also take a look at the cookies section of our publicly available audit that provides a <a href="https://web.archive.org/web/20130327224929/http://dragon.ak.fbcdn.net/cfs-ak-prn1/676572/857/360595310676682_183459869.pdf">snapshot</a> of the cookies we use, which was performed by the <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fdataprotection.ie%2Fdocuments%2Fpress%2FFacebook_Ireland_Audit_Review_Report_21_Sept_2012.pdf&h=NAQGvWfyf&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/dataprotection.ie\/documents\/press\/Facebook_Ireland_Audit_Review_Report_21_Sept_2012.pdf");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fdataprotection.ie\u00252Fdocuments\u00252Fpress\u00252FFacebook_Ireland_Audit_Review_Report_21_Sept_2012.pdf&h=NAQGvWfyf&s=1");">Irish Data Protection Commissioner’s Office</a>. This will give you a good idea of the cookies we describe on this page.</p></div><div class="_1vi"><h2 class="_1vj">Learn more</h2><div class="_3pd" id="faq_182104755198570"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/182104755198570/" aria-controls="u_0_2" aria-expanded="false" role="button"><span class="_ig">What are cookies?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_2"><div class="_ih"> Cookies are small files that are placed on your browser or device by the website or app you’re using or ad you’re viewing. Like most websites, we use cookies to provide you with a better, faster or safer experience. </div><div class="_ia _ib"><div class="_42a"><form rel="async" action="/web/20130327224929/http://www.facebook.com/support/ajax/feedback.php" method="post" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_g"><input type="hidden" name="lsd" value="AVqpiDvG" autocomplete="off"/><input type="hidden" name="id" value="182104755198570"/><input type="hidden" name="context" value="inline"/><input type="hidden" name="fsource" value="hc2"/><input type="hidden" name="provider" value="1"/><span class="_ic">Was this answer helpful?</span><label class="uiLinkButton async_throbber mls _3pa"><input type="submit" name="yes" value="Yes" class="stat_elem"/></label> · <label class="uiLinkButton async_throbber _3pa"><input type="submit" name="no" value="No" class="stat_elem"/></label></form></div><div class="_3pb"><a href="/web/20130327224929/http://www.facebook.com/help/182104755198570/">Permalink</a> · <a href="/web/20130327224929/http://www.facebook.com/ajax/sharer/?s=34&p[]=182104755198570" rel="dialog" role="button">Share</a></div></div></div></div><div class="_3pd" id="faq_115180708570932"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/115180708570932/" aria-controls="u_0_3" aria-expanded="false" role="button"><span class="_ig">How does Facebook use cookies?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_3"><div class="_ih"> We use cookies to make Facebook better, faster and safer. For example, cookies help us: <ul class="uiList _341 _3p7 _4of _4kg"><li><div class="fcb">Enable certain features</div></li><li><div class="fcb">Provide you with a more personalized experience</div></li><li><div class="fcb">Protect the security of your account, the accounts of others and Facebook</div></li><li><div class="fcb">Improve, deliver, and understand the ads you see on and off Facebook</div></li><li><div class="fcb">Research, understand the use of, and improve our and partners' our products and services</div></li></ul> As our <a href="/web/20130327224929/http://www.facebook.com/about/privacy">Data Use Policy</a> indicates, we use cookies to show you ads on and off Facebook. We don't use cookies to create a profile of your browsing behavior on third-party sites to show you ads. However, we may use anonymous or aggregate data to improve ads generally and study, develop or test new and existing products or services. <br/><br/><a href="/web/20130327224929/http://www.facebook.com/help/social-plugins">Learn more</a> about the information we receive when you visit a site with a social plugin. </div><div class="_ia _ib"><div class="_42a"><form rel="async" action="/web/20130327224929/http://www.facebook.com/support/ajax/feedback.php" method="post" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_h"><input type="hidden" name="lsd" value="AVqpiDvG" autocomplete="off"/><input type="hidden" name="id" value="115180708570932"/><input type="hidden" name="context" value="inline"/><input type="hidden" name="fsource" value="hc2"/><input type="hidden" name="provider" value="1"/><span class="_ic">Was this answer helpful?</span><label class="uiLinkButton async_throbber mls _3pa"><input type="submit" name="yes" value="Yes" class="stat_elem"/></label> · <label class="uiLinkButton async_throbber _3pa"><input type="submit" name="no" value="No" class="stat_elem"/></label></form></div><div class="_3pb"><a href="/web/20130327224929/http://www.facebook.com/help/115180708570932/">Permalink</a> · <a href="/web/20130327224929/http://www.facebook.com/ajax/sharer/?s=34&p[]=115180708570932" rel="dialog" role="button">Share</a></div></div></div></div><div class="_3pd" id="faq_411070688917609"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/411070688917609/" aria-controls="u_0_4" aria-expanded="false" role="button"><span class="_ig">When might Facebook place cookies on my computer or device?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_4"><div class="_ih"><p class="_3p8"> Facebook may place cookies when you visit us or a partner using a browser or device that permits the placement of cookies. Your browser or device may allow you to block these technologies, but you may not be able to use some features on Facebook if you block them. </p><p class="_3p8">Note that your browser or device may or may not include tools that allow you to manage cookies. For more information about whether tools are available, how they work, and what they do, visit your browser or device's help materials. Generally, tools like these in your browser or device affect only that particular browser or device. So if you’re using multiple browsers or devices, you can make different choices for each of them. </p></div><div class="_ia _ib"><div class="_42a"><form rel="async" action="/web/20130327224929/http://www.facebook.com/support/ajax/feedback.php" method="post" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_i"><input type="hidden" name="lsd" value="AVqpiDvG" autocomplete="off"/><input type="hidden" name="id" value="411070688917609"/><input type="hidden" name="context" value="inline"/><input type="hidden" name="fsource" value="hc2"/><input type="hidden" name="provider" value="1"/><span class="_ic">Was this answer helpful?</span><label class="uiLinkButton async_throbber mls _3pa"><input type="submit" name="yes" value="Yes" class="stat_elem"/></label> · <label class="uiLinkButton async_throbber _3pa"><input type="submit" name="no" value="No" class="stat_elem"/></label></form></div><div class="_3pb"><a href="/web/20130327224929/http://www.facebook.com/help/411070688917609/">Permalink</a> · <a href="/web/20130327224929/http://www.facebook.com/ajax/sharer/?s=34&p[]=411070688917609" rel="dialog" role="button">Share</a></div></div></div></div><div class="_3pd" id="faq_441197859229066"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/441197859229066/" aria-controls="u_0_5" aria-expanded="false" role="button"><span class="_ig">When might Facebook read the cookies on my computer or device?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_5"><div class="_ih"> Web browsers send any cookies for a particular web domain (ex: facebook.com) to the website each time a machine with those cookies accesses content served from that domain. This means that any facebook.com cookies will be sent to Facebook when any page is accessed at facebook.com. It also means that these cookies are sent to Facebook when someone accesses a third party website that has a connection to facebook.com, like through one of our plugins. Sometimes we will work with websites, apps, and their partners so that we can place or read Facebook cookies on your browsers or devices. This allows us to do things like read and reference cookies from more than one device or browser that you use so we can provide you Facebook services across all of your devices and improve and understand the products, ads, and services we offer to you and others. Your browser or device may allow you to block these technologies, but you may not be able to use some features on Facebook if you block them. </div><div class="_ia _ib"><div class="_42a"><form rel="async" action="/web/20130327224929/http://www.facebook.com/support/ajax/feedback.php" method="post" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_j"><input type="hidden" name="lsd" value="AVqpiDvG" autocomplete="off"/><input type="hidden" name="id" value="441197859229066"/><input type="hidden" name="context" value="inline"/><input type="hidden" name="fsource" value="hc2"/><input type="hidden" name="provider" value="1"/><span class="_ic">Was this answer helpful?</span><label class="uiLinkButton async_throbber mls _3pa"><input type="submit" name="yes" value="Yes" class="stat_elem"/></label> · <label class="uiLinkButton async_throbber _3pa"><input type="submit" name="no" value="No" class="stat_elem"/></label></form></div><div class="_3pb"><a href="/web/20130327224929/http://www.facebook.com/help/441197859229066/">Permalink</a> · <a href="/web/20130327224929/http://www.facebook.com/ajax/sharer/?s=34&p[]=441197859229066" rel="dialog" role="button">Share</a></div></div></div></div><div class="_3pd" id="faq_265264330237024"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/265264330237024/" aria-controls="u_0_6" aria-expanded="false" role="button"><span class="_ig">Why does Facebook add cookies to any browser that visits its websites?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_6"><div class="_ih"> Cookies are set to provide, understand and improve a range of products and services. These cookies also help keep Facebook and the people who use Facebook safe and secure. By understanding visitor habits and patterns, we can better detect unusual behavior and protect people from unauthorized activities. </div><div class="_ia _ib"><div class="_42a"><form rel="async" action="/web/20130327224929/http://www.facebook.com/support/ajax/feedback.php" method="post" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_k"><input type="hidden" name="lsd" value="AVqpiDvG" autocomplete="off"/><input type="hidden" name="id" value="265264330237024"/><input type="hidden" name="context" value="inline"/><input type="hidden" name="fsource" value="hc2"/><input type="hidden" name="provider" value="1"/><span class="_ic">Was this answer helpful?</span><label class="uiLinkButton async_throbber mls _3pa"><input type="submit" name="yes" value="Yes" class="stat_elem"/></label> · <label class="uiLinkButton async_throbber _3pa"><input type="submit" name="no" value="No" class="stat_elem"/></label></form></div><div class="_3pb"><a href="/web/20130327224929/http://www.facebook.com/help/265264330237024/">Permalink</a> · <a href="/web/20130327224929/http://www.facebook.com/ajax/sharer/?s=34&p[]=265264330237024" rel="dialog" role="button">Share</a></div></div></div></div><div class="_3pd" id="faq_159967110798373"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/159967110798373/" aria-controls="u_0_7" aria-expanded="false" role="button"><span class="_ig">How do third parties use cookies, pixel tags ("pixels") and other similar technologies on Facebook?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_7"><div class="_ih"> We sometimes use <a href="/web/20130327224929/http://www.facebook.com/about/privacy/other">service providers</a> to help us provide certain products and services. For example, we use service providers to help you buy things using Facebook on your mobile phone. As part of those services, a provider may use a pixel to collect information about your phone so that, if you choose, it can help us conveniently bill you through your regular phone bill. <br/><br/> When you view, click or otherwise interact with an ad or app on or off Facebook, our partners use cookies or similar technologies like local storage to help provide you with relevant services and ads. For example, a platform partner may use cookies to customize your experience while you’re using their app. Or, an advertising partner may use a cookie to determine whether we’ve shown an ad and how it performed. Our partners also may use these technologies to help share information with Facebook, like how you use their website or app. <br/><br/> We or others (like your friends in their posts or the Pages or Apps you visit or use) may integrate third party features like maps or videos to provide you with better services. The providers of those integrations may collect information when you view or use them, including information about you and your device or browser. They may do this using cookies, pixels, or other similar technologies. To learn more about the information they collect or receive, review their privacy policies. <br/><br/> To learn more about how advertisers generally use cookies and the choices they offer, you can review the following resources: <ul class="uiList _341 _3p7 _4of _4kg"><li><div class="fcb"><a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.networkadvertising.org%2Fmanaging%2Fopt_out.asp&h=6AQGELVMZ&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.networkadvertising.org\/managing\/opt_out.asp");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.networkadvertising.org\u00252Fmanaging\u00252Fopt_out.asp&h=6AQGELVMZ&s=1");">Network Advertising Initiative</a></div></li><li><div class="fcb"><a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.aboutads.info%2F&h=jAQEWQrNt&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.aboutads.info\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.aboutads.info\u00252F&h=jAQEWQrNt&s=1");">Digital Advertising Alliance</a></div></li><li><div class="fcb"><a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.iab.net&h=pAQGiBSwd&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.iab.net\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.iab.net&h=pAQGiBSwd&s=1");">Internet Advertising Bureau (US)</a></div></li><li><div class="fcb"><a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fyouronlinechoices.eu%2F&h=OAQGOZcmr&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/youronlinechoices.eu\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fyouronlinechoices.eu\u00252F&h=OAQGOZcmr&s=1");">Internet Advertising Bureau (EU)</a></div></li></ul> Here is more information about some of the companies advertisers use and the choices they offer: <br/><br/><ul class="uiList _341 _4kg _6-h _6-j _4kt"><li><b> Atlas </b><ul class="uiList _341 _4kg"><li> General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fatlassolutions.com%2Fhome&h=ZAQHHDymP&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/atlassolutions.com\/home");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fatlassolutions.com\u00252Fhome&h=ZAQHHDymP&s=1");">http://atlassolutions.com/home</a></li><li> Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=https%3A%2F%2Fchoice.live.com%2FAdvertisementChoice%2FDefault.aspx&h=jAQEWQrNt&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/https:\/\/choice.live.com\/AdvertisementChoice\/Default.aspx");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=https\u00253A\u00252F\u00252Fchoice.live.com\u00252FAdvertisementChoice\u00252FDefault.aspx&h=jAQEWQrNt&s=1");">https://choice.live.com/AdvertisementChoice/Default.aspx</a></li></ul></li><li><b>Bloom Digital </b><ul class="uiList _341 _4kg"><li>General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fbloom-hq.com%2F&h=iAQFioqwl&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/bloom-hq.com\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fbloom-hq.com\u00252F&h=iAQFioqwl&s=1");">http://bloom-hq.com/</a></li><li> Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fadgear.com%2Fprivacy%2F&h=cAQH8bMZ2&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/adgear.com\/privacy\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fadgear.com\u00252Fprivacy\u00252F&h=cAQH8bMZ2&s=1");">http://adgear.com/privacy/</a></li></ul></li><li><b> DoubleClick </b><ul class="uiList _341 _4kg"><li>General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.google.com%2Fdoubleclick%2Findex.html&h=WAQEnWNih&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.google.com\/doubleclick\/index.html");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.google.com\u00252Fdoubleclick\u00252Findex.html&h=WAQEnWNih&s=1");">http://www.google.com/doubleclick/index.html</a></li><li>Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.google.com%2Fpolicies%2Fprivacy%2Fads%2F&h=bAQHCKe6I&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.google.com\/policies\/privacy\/ads\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.google.com\u00252Fpolicies\u00252Fprivacy\u00252Fads\u00252F&h=bAQHCKe6I&s=1");">http://www.google.com/policies/privacy/ads/</a></li></ul></li><li><b>Flashtalking </b><ul class="uiList _341 _4kg"><li>General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.flashtalking.com%2F&h=jAQEWQrNt&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.flashtalking.com\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.flashtalking.com\u00252F&h=jAQEWQrNt&s=1");">http://www.flashtalking.com/</a></li><li> Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.flashtalking.com%2FftCookieOptOut.html&h=hAQGEVBzp&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.flashtalking.com\/ftCookieOptOut.html");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.flashtalking.com\u00252FftCookieOptOut.html&h=hAQGEVBzp&s=1");">http://www.flashtalking.com/ftCookieOptOut.html</a></li></ul></li><li><b>GroupM </b><ul class="uiList _341 _4kg"><li> General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.groupm.com%2F&h=FAQHFdz74&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.groupm.com\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.groupm.com\u00252F&h=FAQHFdz74&s=1");">http://www.groupm.com/</a></li><li>Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.groupm.com%2Fprivacy-policy&h=gAQFefDUg&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.groupm.com\/privacy-policy");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.groupm.com\u00252Fprivacy-policy&h=gAQFefDUg&s=1");">http://www.groupm.com/privacy-policy</a></li></ul></li><li><b>Mediamind </b><ul class="uiList _341 _4kg"><li>General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.mediamind.com%2F&h=wAQFdVHGa&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.mediamind.com\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.mediamind.com\u00252F&h=wAQFdVHGa&s=1");">http://www.mediamind.com/</a></li><li> Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.mediamind.com%2Fprivacy-policy&h=TAQH1W-Cv&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.mediamind.com\/privacy-policy");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.mediamind.com\u00252Fprivacy-policy&h=TAQH1W-Cv&s=1");">http://www.mediamind.com/privacy-policy</a></li></ul></li><li><b>Mediaplex </b><ul class="uiList _341 _4kg"><li>General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.mediaplex.com%2F&h=eAQH2AQNS&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.mediaplex.com\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.mediaplex.com\u00252F&h=eAQH2AQNS&s=1");">http://www.mediaplex.com/</a></li><li> Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.mediaplex.com%2Fopt-out&h=lAQEryCuv&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.mediaplex.com\/opt-out");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.mediaplex.com\u00252Fopt-out&h=lAQEryCuv&s=1");">http://www.mediaplex.com/opt-out</a></li></ul></li><li><b> Pointroll </b><ul class="uiList _341 _4kg"><li> General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.pointroll.com%2F&h=GAQFRvZuX&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.pointroll.com\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.pointroll.com\u00252F&h=GAQFRvZuX&s=1");">http://www.pointroll.com/</a></li><li>Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fwww.pointroll.com%2Fprivacy.php&h=oAQEZsag7&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/www.pointroll.com\/privacy.php");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fwww.pointroll.com\u00252Fprivacy.php&h=oAQEZsag7&s=1");">http://www.pointroll.com/privacy.php</a></li></ul></li><li><b> TruEffect</b><ul class="uiList _341 _4kg"><li>General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Ftrueffect.com%2F&h=YAQHZmYe2&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/trueffect.com\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Ftrueffect.com\u00252F&h=YAQHZmYe2&s=1");">http://trueffect.com/</a></li><li> Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fad.adlegend.com%2FTE_optout.html&h=HAQE6_3GG&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/ad.adlegend.com\/TE_optout.html");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fad.adlegend.com\u00252FTE_optout.html&h=HAQE6_3GG&s=1");">http://ad.adlegend.com/TE_optout.html</a></li></ul></li><li><b>Weborama </b><ul class="uiList _341 _4kg"><li> General information: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fweborama.com%2F&h=dAQG6fb68&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/weborama.com\/");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fweborama.com\u00252F&h=dAQG6fb68&s=1");">http://weborama.com/</a></li><li>Choices: <a href="/web/20130327224929/http://www.facebook.com/l.php?u=http%3A%2F%2Fweborama.com%2F2%2Fpage-en-confidentialite.html&h=MAQFlk382&s=1" rel="nofollow" target="_blank" onmouseover="LinkshimAsyncLink.swap(this, "https:\/\/web.archive.org\/web\/20130327224929\/http:\/\/weborama.com\/2\/page-en-confidentialite.html");" onclick="LinkshimAsyncLink.swap(this, "\/l.php?u=http\u00253A\u00252F\u00252Fweborama.com\u00252F2\u00252Fpage-en-confidentialite.html&h=MAQFlk382&s=1");">http://weborama.com/2/page-en-confidentialite.html</a></li></ul></li></ul></div><div class="_ia _ib"><div class="_42a"><form rel="async" action="/web/20130327224929/http://www.facebook.com/support/ajax/feedback.php" method="post" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_l"><input type="hidden" name="lsd" value="AVqpiDvG" autocomplete="off"/><input type="hidden" name="id" value="159967110798373"/><input type="hidden" name="context" value="inline"/><input type="hidden" name="fsource" value="hc2"/><input type="hidden" name="provider" value="1"/><span class="_ic">Was this answer helpful?</span><label class="uiLinkButton async_throbber mls _3pa"><input type="submit" name="yes" value="Yes" class="stat_elem"/></label> · <label class="uiLinkButton async_throbber _3pa"><input type="submit" name="no" value="No" class="stat_elem"/></label></form></div><div class="_3pb"><a href="/web/20130327224929/http://www.facebook.com/help/159967110798373/">Permalink</a> · <a href="/web/20130327224929/http://www.facebook.com/ajax/sharer/?s=34&p[]=159967110798373" rel="dialog" role="button">Share</a></div></div></div></div><div class="_3pd" id="faq_441677795848490"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/441677795848490/" aria-controls="u_0_8" aria-expanded="false" role="button"><span class="_ig">How does Facebook use cookies for security purposes?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_8"><div class="_ih"> We use tools like cookies to help keep Facebook safe, secure and easy to use. Cookies support or enable security features. For example, with <a href="/web/20130327224929/http://www.facebook.com/help/?faq=148233965247823&in_context" target="blank">login approvals</a> if someone logs into your account from a browser you’ve never used before, we’ll block them and ask for more information. They also help us implement <a href="/web/20130327224929/http://www.facebook.com/help/?faq=162968940433354&in_context" target="blank">login notifications</a>, so you can be alerted when your account is accessed and disable any active Facebook sessions. <br/><br/> Besides helping to keep unauthorized people from logging into your account, we also use cookies to help make sure the people or machines that access Facebook don’t violate our policies. For example, certain information on Facebook is <a href="/web/20130327224929/http://www.facebook.com/help/?faq=203805466323736&in_context" target="blank">public</a> and therefore can be accessed by anyone on the internet. These cookies help us understanding the volume and frequency of requests so we can detect and stop people or machines from “scraping” information from our site. <br/><br/> We also use these tools to make Facebook easier to use, like when you mistype one character of your username or password. If you’ve already logged into Facebook from the same browser, we’ll give you easier options to correct your typo since we know you’ve successfully logged into Facebook before. </div><div class="_ia _ib"><div class="_42a"><form rel="async" action="/web/20130327224929/http://www.facebook.com/support/ajax/feedback.php" method="post" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_m"><input type="hidden" name="lsd" value="AVqpiDvG" autocomplete="off"/><input type="hidden" name="id" value="441677795848490"/><input type="hidden" name="context" value="inline"/><input type="hidden" name="fsource" value="hc2"/><input type="hidden" name="provider" value="1"/><span class="_ic">Was this answer helpful?</span><label class="uiLinkButton async_throbber mls _3pa"><input type="submit" name="yes" value="Yes" class="stat_elem"/></label> · <label class="uiLinkButton async_throbber _3pa"><input type="submit" name="no" value="No" class="stat_elem"/></label></form></div><div class="_3pb"><a href="/web/20130327224929/http://www.facebook.com/help/441677795848490/">Permalink</a> · <a href="/web/20130327224929/http://www.facebook.com/ajax/sharer/?s=34&p[]=441677795848490" rel="dialog" role="button">Share</a></div></div></div></div><div class="_3pd" id="faq_203204253144453"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/203204253144453/" aria-controls="u_0_9" aria-expanded="false" role="button"><span class="_ig"> How does Facebook use cookies, local storage or similar technologies when I use a mobile device?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_9"><div class="_ih">Many mobile devices act just like computers, such as smart phones that support full-featured browsers. For those devices, Facebook and our partners use cookies and similar technologies in a way that is similar to when you are accessing the web from a computer. <br/><br/> When you install our app or when Facebook partners with other apps you use, we may obtain or receive information about your use of our app, your device or other apps. We use that information to understand and improve products, services, suggestions and ads for you and others. As on the web, we may use these technologies to store an identifier or other information on your device. This helps us, for example, understand, optimize and deliver services or advertising from Facebook or our partners. We may also work with our partners to receive information about the websites and apps you’re using so we can understand, customize and improve our products and services and those of our partners. For example, if we learn that you’re already using an app, when you click on a link in News Feed from that app, we can send you directly to that app. If you don’t have the app, we would instead send you to the app store so you could download the app. </div><div class="_ia _ib"><div class="_42a"><form rel="async" action="/web/20130327224929/http://www.facebook.com/support/ajax/feedback.php" method="post" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_n"><input type="hidden" name="lsd" value="AVqpiDvG" autocomplete="off"/><input type="hidden" name="id" value="203204253144453"/><input type="hidden" name="context" value="inline"/><input type="hidden" name="fsource" value="hc2"/><input type="hidden" name="provider" value="1"/><span class="_ic">Was this answer helpful?</span><label class="uiLinkButton async_throbber mls _3pa"><input type="submit" name="yes" value="Yes" class="stat_elem"/></label> · <label class="uiLinkButton async_throbber _3pa"><input type="submit" name="no" value="No" class="stat_elem"/></label></form></div><div class="_3pb"><a href="/web/20130327224929/http://www.facebook.com/help/203204253144453/">Permalink</a> · <a href="/web/20130327224929/http://www.facebook.com/ajax/sharer/?s=34&p[]=203204253144453" rel="dialog" role="button">Share</a></div></div></div></div><div class="_3pd" id="faq_239530772765713"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/239530772765713/" aria-controls="u_0_a" aria-expanded="false" role="button"><span class="_ig">Does Facebook use cookies if I don't have an account or have logged out of my account?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_a"><div class="_ih"> Facebook does use cookies if you don’t have an account or have logged out of your account. For example, we use cookies to help: <ul class="uiList _341 _3p7 _4of _4kg"><li><div class="fcb">Identify and disable the accounts of spammers</div></li><li><div class="fcb">Recover your account if you ever lose access to it</div></li><li><div class="fcb">Provide extra security features like <a href="/web/20130327224929/http://www.facebook.com/help/?faq=162968940433354&in_context" target="blank">login notifications</a> and <a href="/web/20130327224929/http://www.facebook.com/help/?faq=148233965247823&in_context" target="blank">login approvals</a></div></li><li><div class="fcb">Prevent people who are underage from signing up with a false birth date</div></li><li><div class="fcb">Enable us to deliver, evaluate and understand the ads we serve</div></li><li><div class="fcb">Identify public computers so that we can discourage people from using <b>Keep me logged in</b></div></li></ul> We may also use anonymized or aggregated information to improve our products.<br/><br/> We also set cookies if you don’t have a Facebook account but have visited facebook.com to help us protect Facebook and the people who use it from malicious activity. For example, these cookies help us detect and prevent denial-of-service attacks and the mass creation of fake accounts. <br/><br/> If you have cookies on your browser or device, we read that cookie when you visit a site with a social plugin. <a href="/web/20130327224929/http://www.facebook.com/about/privacy/your-info-on-other#socialplugin">Learn more</a>. <br/><br/> As our <a href="/web/20130327224929/http://www.facebook.com/about/privacy/cookies">Data Use Policy</a> indicates, we use cookies to show you ads on and off Facebook. We don't use cookies to create a profile of your browsing behavior on third-party sites to show you ads. 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How does Facebook use them?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_b"><div class="_ih"> Pixel tags (also called clear GIFs, web beacons, or pixels) are small blocks of code on a webpage that allow websites to do things like read and place cookies. The resulting connection can include information such as the person’s IP address, the time the person viewed the pixel and the type of browser being used. <br/><br/> We use pixels on and off Facebook, like when you visit our site or one of our partners. Pixels allow us to read any existing Facebook cookies or also place a new cookie on your browser or device. We use pixel tags to customize your experience and learn about how people use products and services. For example, we can use pixel tags to see that a person using a certain browser saw an ad on Facebook and also bought a product from that advertiser. This helps us show advertisers that the ads they run on Facebook are effective. We also may use pixels to help show you an ad on or off Facebook. For example, a partner may use a pixel to tell us when you’ve visited its site so that we can later show you an ad on Facebook. We also use pixels to know when you’ve seen or interacted with Facebook content, like when you’ve read an email notification we’ve sent you so that we can avoid showing the same notification when you visit the Facebook website or app, or to otherwise measure, understand, and improve our services. </div><div class="_ia _ib"><div class="_42a"><form rel="async" action="/web/20130327224929/http://www.facebook.com/support/ajax/feedback.php" method="post" onsubmit="return window.Event && Event.__inlineSubmit && Event.__inlineSubmit(this,event)" id="u_0_p"><input type="hidden" name="lsd" value="AVqpiDvG" autocomplete="off"/><input type="hidden" name="id" value="236257763148568"/><input type="hidden" name="context" value="inline"/><input type="hidden" name="fsource" value="hc2"/><input type="hidden" name="provider" value="1"/><span class="_ic">Was this answer helpful?</span><label class="uiLinkButton async_throbber mls _3pa"><input type="submit" name="yes" value="Yes" class="stat_elem"/></label> · <label class="uiLinkButton async_throbber _3pa"><input type="submit" name="no" value="No" class="stat_elem"/></label></form></div><div class="_3pb"><a href="/web/20130327224929/http://www.facebook.com/help/236257763148568/">Permalink</a> · <a href="/web/20130327224929/http://www.facebook.com/ajax/sharer/?s=34&p[]=236257763148568" rel="dialog" role="button">Share</a></div></div></div></div><div class="_3pd" id="faq_330525367015217"><div class="clearfix" role="presentation"><a class="_ii" href="/web/20130327224929/http://www.facebook.com/help/330525367015217/" aria-controls="u_0_c" aria-expanded="false" role="button"><span class="_ig">What is local storage? How does Facebook use local storage technologies?</span><span class="_2-9"></span></a></div><div class="_ij hidden_elem" id="u_0_c"><div class="_ih"> Local storage is an industry-standard technology that allows a website or app to store and retrieve data on a person’s computer, mobile phone, or other device. Some examples include device or HTML5 local storage and caching. Most web browsers offer settings for you to control whether or not to allow local storage. <br/><br/> We use local storage to understand and improve how our products and services perform and to enable certain features. For example, we may store certain parts of the Facebook website on your device so that those pages load faster the next time you visit them. Local storage also allows us to provide certain services to someone who doesn’t have access to the internet. For example, you can read and compose messages in the Facebook Messenger app when you’re offline because we store those messages locally on your device. We may also use local storage to help us understand how you use websites, apps and computers or mobile devices. 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