Some of the amazing features in Lion include:
- new Multi-Touch gestures
- system-wide support for full screen apps
- Mission Control
- an innovative view of everything running on your Mac
- the Mac App Store
- the best place to find and explore great software
- built right into the OS
- a new home for all your apps
- a completely redesigned Mail app
- Resume, which conveniently brings your apps back exactly how you left them when you restart your Mac or quit and relaunch an app;
- Auto Save, which automatically and continuously saves your documents as you work;
- Versions, which automatically records the history of your document as you create it, and gives you an easy way to browse, revert and even copy and paste from previous versions; and
- AirDrop, which finds nearby Macs and automatically sets up a peer-to-peer wireless connection to make transferring files quick and easy.
Mac OS X Lion will be available from the Mac App Store for $29.99. It will be a 4GB download (about the size of a HD movie from the iTunes Store). In August, the Lion update will be made available from the Apple Store on a USB thumb drive for $69.