Facebook could have your phone number and email address—even if you never handed them over to the social network. Everyone knows that Facebook collects vast amounts of data. But what many people might ...

Facebook almost certainly has your phone number and email address, even if you never handed them over. That's because any friend who shared their address book with Facebook also shared your details.

Passwords can be a bear sometimes -- particularly if you're prone to forgetting them. In an effort to help users regain access to their Facebook profiles when they lose track of their login ...

Not on Facebook anymore? Well, maybe you used to be on the social network but deleted your account long ago. Heck, maybe you never joined Facebook at all and never even gave Mark Zuckerberg your phone ...