Avid Studio: Thumbs Up on Interface, Sideways on Features, Down on Sound Effects
Back when Apple promised editing features built into the iPhone 3GS (the first iPhone to have a video camera), I wondered how a video-editing program could possibly fit into a phone. It wasn't just a question of available processing power, though that was part of it. It was also a question of screen size.
http://www.macnewsworld.com/rsstory/74354.html