Breaking news, everyone: James Cameron has signed up for a Twitter account. What was the impetus for Cameron to take this momentous step into the future? "Ryan Seacrest told me I had to get on Twitter," Cameron wrote in his first posting, naturally. "So here I am. First tweet. I feel younger already." For those wondering, Cameron's handle is @JimCameron, because Twitter is nothing if not casual. Follow now! [@JimCameron]
