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"Apple has announced a release date and pricing details for its next operating system OS X Mountain Lion (version 10.8). The software will ship next month and cost $19.99 from the Mac App Store, the company announced at its Worldwide Developers Conference (WWDC). OS X Mountain Lion will launch with more than 200 different features, including new additions AirPlay Mirroring and PowerNap. AirPlay Mirroring enables Mac users to screen content onto a television screen via Apple TV, while PowerNap automatically refreshes the data on various devices while a computer is in sleep mode. &amp;quot;The pace of innovation on the Mac is amazing, OS X Mountain Lion comes just a year after the incredibly successful launch of Lion,&amp;quot; said Philip Schiller, Apple&amp;#039;s senior vice president of worldwide marketing.  &amp;quot;With iCloud built right in and the new Notification Center, Messages, Dictation, Facebook integration and more, this is the best OS X yet.&amp;quot; &amp;gt; Follow our live blog of Apple&amp;#039;s World Wide Developers conference iOS service iMessage will be coming to Mac computers with the new operating system, and turn-based, head-to-head gaming, and crossplay with iOS devices will be added through GameCentre. The Mountain Lion upgrade will be free with new laptops. Picture gallery - Apple&amp;#039;s Worldwide Developers Conference announcements:  "^^<http://www.w3.org/2001/XMLSchema#string>
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