From the BBC.
He's even created a group here.
(Don't ask me if that link doesn't work because I don't have a Facebook account so I can't test it.)
Screenwriter Aaron Sorkin has agreed to make a film about the founders of social networking site Facebook.
Sorkin, who created US TV drama The West Wing and wrote the Tom Hanks movie Charlie Wilson's War, has even opened a Facebook account to aid his research.
He's even created a group here.
(Don't ask me if that link doesn't work because I don't have a Facebook account so I can't test it.)