17. Allegedly Facebook Continues To Track Every Single Site You Visit... Even Once You've Signed Out
Facebook may have denied this, but self-proclaimed hacker Nik Cubrilovic remains convinced that the website can track your online habits - even if you're not logged into your account. Cubriolovic alleges that as soon as your log out of Facebook, the website alters its tracking cookies, but does not delete them - meaning they can still continue to track exactly what you are doing when surfing the net. Big Brother is always watching...