Twitter: What are you doing?

Twitter is a service for friends, family, and co–workers, and people on the web, to communicate and stay connected through the exchange of quick, frequent answers to one simple question: What are you doing?

Just like myspace, multiply,friendster,facebook, Twitter is a social networking that allows its connected users to send and read other users' updates (otherwise known as tweets) real-time. Users can receive updates via the Twitter website, SMS, RSS, or through other application such as Facebook.

I have tried and used Twitter for just a couple of days and it seems really interesting. You can find and add people (who are also members of Twitter) which lets you "follow" them. You can then read their updates as they post it. It is fun, and just like blogging you can post whatever interests you, but basically answering the question: What are you doing?