Video casts from the ESRI conference?

Videos from the conference... I'm a bit confused as to what the policy is regarding this one... I just noticed a video of some of the material presented at yesterday's keynote session showing off ArcGIS Explorer while at the same time I ran into Jeff Thurston earlier todady who had his video camera in tow yesterday and was politely "asked" to put his video cam away... hmmm. Guess I'll have to try and locate someone about the official policy. No doubt there will be plenty of MP3s floating around in the blogosphere but it would be nice to know what the oficial word is.