Walt Mossberg – Apps Raise the iPad’s Aptitude for Real Work
Customers shopping for Apple Inc.’s iPhone might pay little attention to the gadget’s “slide to unlock” feature, but you would never know that from a quick glance at Apple’s current roster of patent lawsuits.
The technology giant has secured two key U.S. patents on slide-to-unlock — a technology that lets users wake a dormant phone with a finger-swipe across the screen. And it is wielding those patents like swords against rivals around the world.
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