Like clockwork, Apple has released a new major version of its iOS mobile operating system every summer since 2008, and we expect 2013 to be no different. iOS 7 seems likely to take its bow at the company's annual Worldwide Developers Conference, which will be held June 10 through 14 in San Francisco.Related StoriesNew ad by Apple showcases iPhone 5 cameraFind My Car: Bond-esque Apple patent allows car to be controlled with iPhone
