Twitter contains a lot of famous people, of course, but it also has a lot of imitations.
As a pastor withdraws his threat to burn the Koran over plans for an Islamic centre near Ground Zero, an (oviously) fake tweet from Iranian President Mahmoud Ahmadinajad read:
I like to retaliate by burning a book that you Americans hold dear, but the only book you care about is Facebook.
Another read:
Good thing it finally cooled off a bit today because you can only put up with Ayatollah in shorts so long.