What could happen over at twitter when you add Rael Dornfest--someone who's created and edited a superb book series (O'Reilly Hacks), built one of the first RSS readers (Meerkat), working on the RSS spec standards and then went on to found a cool little company values of n that built Stikkit: Little yellow notes that *think*. 

Now the man's going to join forces with Ev Williams, Biz Stone and other smart people at twitter; my product development head is bursting with speculation about the cool direction twitter could go in (and thinking multiple products people, one at a time...). And of course the dude's an engineer....

TechCrunch broke the story and the twitterverse is humming with the news.