Every Facebook user has a unique ID number. This number gives you some information on approximately -- but not precisely -- when you and your friends joined Facebook relative to each other. A lower ...

With billions of users making Facebook a regular part of their social networking activities, the odds are good that if you need to touch base with someone, you can find them on Facebook. However, ...

Facebook is leaking users' personal information to advertising firms and Internet tracking companies, according to a Wall Street Journal investigation. The information being shared is a user's unique ...