Twit?

Lately, folks I know have been more frequently speculating about the usefulness of Twitter to the non-narcissic. Dave Pogue describes twittering, and gives a case example of an actual useful "twitter":

Technology
Pogue's Posts: Twittering Tips for Beginners
By By David Pogue
Published: January 15, 2009

I’m still dubious about Twitter’s prospects for
becoming a tool for ordinary people. But one thing’s for sure: The whole thing would be a lot more palatable if somebody would explain the basics.