Ask them to check their privacy settings if you are still unable to locate one of your friends. How can I find someone on Facebook without knowing anything? To find someone on Facebook without ...

There's an easy way to find out if you've been left in someone's Facebook "Friend Request" purgatory. Here's how to see everyone who's ignoring your Facebook friend request. Produced by Will Wei.

If you've ever been curious why your Facebook friend count was down, there's now an app that tells you who exactly unfriended you. It works by simply saving a copy of your friend list after you ...