Movie studios curbing actors' use of social media

I came across this article on Cnet after I became curious as to what the movie studios, management, etc. are doing about their star's social media use getting out of control. I'll try to sum it up:

A Hollywood Reporter blog post recently reported that "there's a growing number of studio deals with new language aimed specifically at curbing usage of social-media outlets by actors, execs and other creatives." The studios hope confidential information about the films they're producing won't leak out on major social networks.

The Hollywood Reporter, Esq. blog reported that both Disney and DreamWorks have already added clauses to their talent contracts. A clause from Disney says that the actor should not make information available "via 'interactive media such as Facebook, Twitter, or any other interactive social network or personal blog.'"

Movie bosses have banned a series of stars including Cameron Diaz and Mike Myers from joining microblogging site Twitter.com - in a bid to prevent secret information leaking out.

...language saying the signer cannot mention their work on the movie until the studio has made an official announcement. After that, everyone working on the film (including celebrities), are free to talk about their films on any social-media platform.

The articles fetched from can be found here:

http://news.cnet.com/8301-17939_109-10377583-2.html

http://www.imdb.com/news/ni1096114/