Play Josh and Eric of Yahoo! on the Yahoo! Instant Messenger
Back when Vista launched, Yahoo! announced an incredible instant messenging client that runs on Vista. The Yahoo! IM client for Vista uses WPF to give a beautiful user interface. It's the perfect example of what's possible with RIAs (that stands for Rich Internet Application or Rich Interactive Application or something like that). Josh Jacobson and Eric Burke are two of the guys at Yahoo! who made this happen; check out the interview!