Apple Refocuses on Mac With Lighter MacBook Air, Lion Software

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Apple Inc. Chief Executive Officer Steve Jobs unveiled a lighter MacBook Air laptop and a version of the Macintosh operating system called Lion, adding features that make the company’s computers more like its mobile devices.

Macs will soon have an online application store, similar to the one for the iPhone and iPad, Jobs said today at Apple’s headquarters in Cupertino, California. New computers also will take better advantage of multitouch gestures on track pads, mimicking Apple’s mobile iOS software. The app store will open within 90 days, and Lion will be released in the summer of 2011.