Bringing web 2.0 into the classroom

There is an ars technica article about a professor experimenting with Twitter in the classroom. It references an Chronicle of Higher Education article that mentions Blackboard adding micro-blogging features to its software. The ars article also links to a couple of posts about a professor that is using Twitter. Its an interesting concept, even while I continue to see articles about attempts to limit laptop use during class and other meetings. I personally haven't created a Twitter account yet, but this might get me to.