DaveWiner has been criticising traditional conferences, has been promoting the idea of an UnConference, a place without formal speakers and sessions.
In a sense, it's not surprising that people interested in OnlineWriting and the new forms of conference. It's another dimension of CollectiveIntelligence research. How to get more interesting and productive meetings of large numbers of people.
BrainJams, an unconference blog : http://www.brainjams.org/