I've watched quite a few of the videos from the Web2.0 Expo. You can find them here: http://web2expo.blip.tv/posts?view=archive&nsfw=dc (as well as on YouTube, but Blip has higher quality videos and connects them better).
Some of the favorite videos:
- Gary Vaynerchuk - Passionate and entertaining. If you watch only one video this month, watch this one.
WineLibraryTV guy: started a video blog a few years ago and grew his family company from $4million annuals sales to $15m.
http://web2expo.blip.tv/file/1277374/ - Clay Shirky - interesting notes on information overload
I'll blog further about this in the future
http://web2expo.blip.tv/file/1277460/ - Jason Fried - 37signals & basecamp - talks about design (software, water bottles, etc.)
http://web2expo.blip.tv/file/1277146/ - Jonathan Schwartz - Sun Microsystems - talks with Tim O'Reilly about the future of the computing in general.
This one is a bit more "out there" but fascinating.
http://blip.tv/file/858223
Also ran:
- Fred Wilson (AVC, Union Square Ventures) run down some internet history
http://web2expo.blip.tv/file/1277029/ - Irene Greif (of IBM) - talking about ManyEyes: online collaboration and data visualization
http://web2expo.blip.tv/file/1280055/