online interview with the originator of Flashmobs
Alec Bemis has run a peice in the online publication LA Weekly about Bill, the originator of the first Flashmob. This is a bit of a coup as Bill has been reluctant in the past to give any interviews.
The LA Weekley interview by Alec Bemis.
There are also articles on IMDB, MoveOn.org, and Friendster.