Ustream

Ustream powers live interactive video that enables anyone to watch and interact with a global audience of unlimited size.

With the Ustream app, go live and follow your favorite broadcasters anytime, anywhere! The Ustream app now combines the best of broadcasting and viewing into one convenient app for devices running iOS 4.1 and newer:
-Broadcast and interact with your audience through chat and poll
-Discover the hottest Ustream content showcased in a Featured carousel
-Follow your favorite shows by joining Ustream Crowds and getting alerts for events
-Share with your friends on Twitter and Facebook when you broadcast and discover content
-Customize the menu with your most used features