I just signed up with twitter. It is a social networking and micro-blogging services that enables users to send and receive messages known as tweets. Tweets are text-based messages or posts of up to 140 characters and are delivered to the author's subscribers known as followers.
You can add me up at http://twitter.com/cielbleuph
P.S. If you want a more interactive micro-blogging services, why don't you give PLURK a try. You can get it here.