Twitter has become a great way for celebrities to reach out to their fans, and vice versa. But some movie stars use the social networking website for more than just the usual public relations messages.

Those celebrities who have really taken to Twitter can now use the Internet to post pictures, try out jokes and even -- in one case -- save lives.

We ranked some of the top 20 movie stars who geek out on Twitter, with some bonus directors thrown in for fun! Who's your favorite movie star Twitter geek? Tell us in the comments.
categories Features