It's been a rough week for celebrities. With last week's passing of Michael Jackson, Farrah Fawcett, Ed McMahon, and Billy Mays, Twitter has been slammed with RIP messages and general discussion about the life and times of some of the world's most famous celebrities. Sprinkled in with the legitimate death reports, however, have been plenty of fake ones, culminating today in a hack-attack on the microblogging platform that comprimised the accounts of Diddy, Britney, and Ellen.