Smart people are using twitter?

Sigh. Last time I looked to see what all the fuss was about I was entranced by TwitterVision in a kind of an overtired/ADD/look at that puzzling trainwreck kind of a way, but that was about it. Now this blogger comes along and claims good uses by smart people for this thing. Hmpf.

Now if I could offer some kind of promotion to whomever Twitted that they were working on their presentation, that I might pay for...