Wanna know more about Twitter? Here's somebody else's blog on it. Matter of fact, the blog is by a guy I follow on Twitter.
Of course, being a blog, part one is at the bottom of the page, part 2 at the top And if you sign up, be sure to follow me. I tweet the funniest things, and there's a button in the right hand column that will hook you right up.
Getting Started With Twitter