Sorry, Ashton Kutcher, you're not the only actor who tweets.
A-Listers such as Leonardo DiCaprio, Jim Carrey and Jackie Chan have all discovered that 140 characters can be an effective way to hawk their films, promote their favorite charities and even open up and show a side of themselves we don't often see. (Russell Crowe, we had no idea you were such a softie.)
We've sorted them not just by which stars deserve your attention, but also based on the type of tweets that are their stock in trade — politically conscious, insider scoops, cute and fuzzy, reliably hilarious … and purely promotional,
(Also see our previous guides: 30 Must-Follow Movie Insiders, 30 Must-Follow Music Insiders, 50 Must-Follow TV Insiders, 25 Must-Follow Media Insiders, 25 Must-Follow TV Superfans)
POLITICALLY CONSCIOUS
Leonardo DiCaprio
@LeoDicaprio
Why you should follow: A forum for the eco-minded star to promote green causes.