Apple announced that Mac OS X Lion — the eighth major release of the world’s most advanced operating system — is available today as a download from the Mac App Store for $29.99. Lion offers more than 250 new features, including Multi-Touch gestures; systemwide support for full screen apps; Mission Control, a bird’s eye view of everything running on your Mac; Launchpad, a new home for all your apps; and a completely redesigned Mail app.

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