Craig Federighi, senior vice president of Software Engineering at Apple demonstrates the new activation lock security feature in iOS 7 during the keynote address of the Apple Worldwide Developers Conference Monday, June 10, 2013 in San Francisco. (AP Photo/Eric Risberg)

Associated Press
Craig Federighi, senior vice president of Software Engineering at Apple demonstrates the new activation lock security feature in iOS 7 during the keynote address of the Apple Worldwide Developers Conference Monday, June 10, 2013 in San Francisco. (AP Photo/Eric Risberg)
Craig Federighi, senior vice president of Software Engineering at Apple demonstrates the new activation lock security feature in iOS 7 during the keynote address of the Apple Worldwide Developers Conference Monday, June 10, 2013 in San Francisco. (AP Photo/Eric Risberg)
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