Actually it might be useful seeing how every webpage with the Like button you see is tracked by Facebook. The logo is just an assurance that FB won't know you v

Actually it might be useful seeing how every webpage with the Like button you see is tracked by Facebook. The logo is just an assurance that FB won't know you visited the site. What most people don't understand is that somewhere in Facebook's data centers there's a DB with entries like: Paul Averageman (Facebook UID=3427342) 13:48 cnn.com 13:52 nytimes.com 13:59 youtube.com ecc.