Facebook is adding a “Friends tab,” a feature enabling users to focus in on posts shared by their friends and family members.

At Harvard, Zuckerberg created Facemash, a "hot or not clone" which "had already made Mark a bit of a celebrity on campus ... which included "popular features such as profiles, friends lists and ...

We rank the best quotes from David Fincher's The Social Network, including Mark's "You'd have invented Facebook" and ...