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; Launchpad, a new home for all your apps; and a completely redesigned Mail app.
“Lion is the best version of OS X yet, and we’re thrilled that users around the world can download it starting today,” said Philip Schiller, Apple’s senior vice president of Worldwide Product Marketing. “Lion makes upgrading a
- 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 is available as an upgrade to Mac OS X version 10.6.6 Snow Leopard® from the Mac App Store for $29.99 (US). Lion is the easiest OS X upgrade and at around 4GB, it is about the size of an HD movie from the iTunes Store. Users who do not have broadband access at home, work or school can download Lion at Apple retail stores and later this August, Lion will be made available on a USB thumb drive through the Apple Store® (www.apple.com) for $69 (US). Mac OS X Lion Server requires Lion and is available from the Mac App Store for $49.99 (US).
Lion requires an Intel-based Mac with a Core 2 Duo, i3, i5, i7 or Xeon processor and 2GB of RAM. Lion is an upgrade and can be installed on all your authorized personal Macs. Details regarding Business and Education licensing can be found at apple.com/macosx.
source: http://www.techpowerup.com/149356/Mac-OS-X-Lion-Available-Today-From-the-Mac-App-Store.html