Ah, interesting. I was actually referring to this talk he gave here at CMU -- http://www.ustream.tv/recorded/18392445 http://www.ustream.tv/recorded/18392445 --

Ah, interesting. I was actually referring to this talk he gave here at CMU -- http://www.ustream.tv/recorded/18392445 http://www.ustream.tv/recorded/18392445 -- but he says the same thing almost word for word (spent ~15 minutes trying to find where he says it; I couldn't find it, but I remember him saying it).