Making good on a promise he made not even 48 hours ago,
Charlie Sheen has officially quit Twitter, leaving his 7.7 million followers emotionally reeling. Fortunately, he departed with one final, inspiring Tweet: "reach for the stars everyone. dogspeed cadre. c out." Sheen signed onto Twitter fairly recently in March 2011, after he was fired from
Two And A Half Men and began lambasting his former bosses online. He has been a regular tweeter ...