Steve Jobs, chief executive officer of Apple Inc., unveils the iPhone 4 during his keynote address at the Apple Worldwide Developers Conference (WWDC) in San Francisco, California, U.S., on Monday, June 7, 2010. Jobs introduced the redesigned iPhone 4 today, delivering a 24 percent thinner body and 100 new features as mobile competitors including Google Inc. work to usurp the smartphone's popularity. Photographer: David Paul Morris/Bloomberg via Getty Images
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