David Weinberger is just awesome.
Check out his Google TechTalk:
He starts sticking it to librarians at about 19:05, and he doesn't really let up -- he even tears into Gorman and Dewey. He obviously has affection for libraries and what we've done to organize information objects in the past... but today's a new day.
"Everything is metadata."
This is a Morville-level event.