Barack Obama does it. So do Britney Spears, Richard Branson and Russell Brand... What am I talking about? Twittering. Tweating. Microblogging. Posting details of their everyday lives online in 140-character bursts.
Even the Dalai Lama was reported to have signed up for Twitter - until it emerged that it wasn't really him at all - just an imposter. If you want to get in on the act, check out Top Tips for Tweeting
