Clay Shirky speaking at the 2.0 Expo 2008 -- basically cheerleading the 2.0 story to a traditional media audience. He illustrates a fairly simple premise through a couple of handy analogies. His premise, basically, is that the potential behind active media-participation -- the create & share foundation of 2.0 -- is greater and more thrilling than passive TV-ingestion. But have him tell it to you, I may have just mangled it.
If we were closer to Thanksgiving, I'd say this is good prep-material for explaining "2.0" over the dinner table.
Transcript of this rather awesome take on the current landscape can be found at his site.