There are tons of reasons why a Facebook user would want to completely change their primary email address associated with their social media account. Some might have a new email address, thus retiring ...

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.

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 ...