links back to the social media site, and, among other things, loads a third-party cookie on the device. These cookies are placed even if the user does
not have an account with the social media platform. Over time, companies like Facebook (which also run an ad network) have built up quite a large number
of detailed profiles about people who have <a href="http://www.theverge.com/2016/5/27/11795248/facebook-ad-network-non-users-cookies-plug-ins">never even
links back to the social media site, and, among other things, loads a third-party cookie on the device. These cookies are placed even if the user does
not have an account with the social media platform. Over time, companies like Facebook (which also run an ad network) have built up quite a large number
of detailed profiles about people who have <a href="http://www.theverge.com/2016/5/27/11795248/facebook-ad-network-non-users-cookies-plug-ins">never even