Everybody from your publicist to your barber's kid sister is recommending you get on Twitter, 'cause Twitter is the new Facebook. And it's tempting: What's not to love about millions of people caring how you'll answer the question, "What are you doing?" Everyone is Twittering. Wanna get stock tips from Ashton Kutcher or find out what Lily Allen had for lunch yesterday? Get on Twitter and get in... More >>>