Yesterday, Apple approved the Joost Application for the IPhone.
The Joost Application is something I helped prototype, and wrote most of the server side support, although I was busy with other things and haven't worked on it recently, and I'm glad it is now released to the public.
It isn't perfect, as some of the reviews have said, we are doing our best with the APIs that Apple provides, but the Video Player has some pretty big bugs we do our best to work around, but I hope Apple significantly improves MPMoviePlayerController with another firmware release.
Radar Bugs: (what are rdar links?)
6352281 - Problems with the Headphone getting inserted causing video to pause
6299534 - Problems with the Next Button on the default Apple UI.
5888718 - Video player does not detect when it is upside down.
6407138 - Audio Sync Issues