Coolz0r links to an AdWeek article that says Yahoo is working with Behavioral Science to create ads that are targeted to a user's behavior. Very cool idea. MSN is looking to leverage its massive network to do something similar.
As good a time as any to note I just got my press invite to AD:TECH New York, November 7-9 at the Hilton. I know its probably far too early for many people to have registered, but if anyone plans on attending, let me know. Should be some great online advertising-related speakers and sessions there.