What's new in iPhone OS 3.0

For users
- MMS (only for iPhone 3G)
- Copy, Cut and Paste, works with all applications that use text content
- Push notifications - update program status
- Stereo Bluetooth A2DP (only for iPhone 3G)
- Search Mail, Calendar, Contacts, Notes and more.
- “Wide” keyboard now in Mail and Notes
- Delete individual SMS
- Pairing devices and accessories via Bluetooth

For developers
- Enhanced API (including Maps API and more)
- New methods of sales through the AppStore (subscription, episodes and more)
- Developer Beta

The update will be available in summer 2009. In more detail - on the official site .