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 ...

Importing a Gmail contact list helps users find business associates and friends that may be using a different name on Facebook.

Learn how to Follow back Unfollowed Facebook Friends, Groups & Pages. You can Unsnooze Snoozed Profiles, Pages & Groups using this guide.

Tech News Don’t Use Facebook? Here’s How to Check if It Has Your Phone Number and Email, and Delete Them The app and its brethren harvest data about non-users through their friends' contact lists.