"Jack Dorsey wants to change the way people communicate on the
Internet. Are you used to updating your blog once every 24 hours?
If Dorsey has his way, you'll soon be thinking about lots of tiny
blog posts from wherever you are, whenever you want. Dorsey, a
former software developer for a courier and dispatch service, is
the founder and CEO of Twitter.com, a social networking Web site
with a twist: in the clipped style of a taxi drivers radioing a
status report to the dispatcher, Twitter users post mini-updates
throughout the day and night to let friends (and the world) know
the minute details of what they're doing..."