The Leaf Trombone is a multiplayer music application for the iPhone, which premiered at Apple's iPhone OS 3.0 preview event. The application was demonstrated by Dr. GE Wang of Stanford University.Engadget: Live from Apple's iPhone OS 3.0 preview event (March 17, 2009)
iPhone OS 3.0
- Held on March 17, 2009, at Apple's headquarters in Cupertino, California
- Update is free for iPhone
- Available for iPod Touch for $9.95
- Invitation offered "advance preview of what we're building"
- New and updated SDK announced
- ESPN native application was shown
- iPhone will now support MMS