Very interesting set of videos – Part 3 has some great discussion on rich/client side applications.

If Bill Gates and Steve Jobs are on board with the need for richer client side applications that interact with services over the Internet, then we must be on the right tract with technologies like Flex, Apollo, etc…

http://d5.allthingsd.com/20070531/video-steve-jobs-and-bill-gates-together-part-3-of-7/