Apple's OS Edge Is a Threat to Microsoft

A recent upgrade to the Mac operating system moves Apple closer to challenging Microsoft for overall computing dominance, even in the corporate market

The 20-year death grip that Microsoft has held on the core of computing is finally weakening—pried loose with just two fingers. With one finger you press "Control" and with the other you press "right arrow." Instantly you switch from a Macintosh operating system (OS) to a Microsoft Windows OS. Then, with another two-finger press, you switch back again. So as you edit family pictures, you might use Mac's iPhoto. And when you want to access your corporate e-mail, you can switch back instantly to Microsoft Exchange.

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