Lost Housewives
According to a recent (April 2006) on-line survey conducted by NPD the Flash player is now the most widely distributed media player http://www.adobe.com/products/player_census/flashplayer/
If you want to see a really great example of how organisations are using the Flash player to stream video, then check out http://dynamic.abc.go.com/streaming/landing. Full length episodes of Lost, Desparate Housewive and more.
For more info on others who are using Flash see the press release at http://www.adobe.com/aboutadobe/pressroom/pressreleases/200602/022806Studio8.html