Facebook has not yet developed any feature that allows the user to know who has been viewing his or her profile. However, many applications claim to be able to show the identities of those who have visited a particular p... More »

Mutual friends on Facebook are friends the user has in common with someone else. This concept is also familiar to most people in offline life; a mutual friend is someone a person and another person are both friends with,... More »

It is not possible for a Facebook user to see the profile of another user he or she is not friends with, unless the profile is made public by the other user. Applications that seek to circumvent these privacy controls ha... More »

Facebook does not offer a feature which allows users to know who looked at their profile. Although some third-party apps claim to offer this feature, it is not possible. Facebook encourages users to report apps that clai... More »

It is not possible for a Facebook user to see the profile of another user he or she is not friends with, unless the profile is made public by the other user. Applications that seek to circumvent these privacy controls ha... More »

A cover photo is a large, customizable horizontal image located at the top of every Facebook user's profile page. It is part of Facebook's Timeline redesign, which was introduced in 2011, and gives users a unique way to ... More »

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To poke someone on Facebook, go to the profile of the friend you want to poke. Click "..." on the bottom right corner of your friend's cover photo, and click Poke from the drop-down menu. More »