A security guard stands next to an Apple retail store during the release of the iPhone 5 in Shanghai

 
A security guard stands next to an Apple retail store during the release of the iPhone 5 in Shanghai
A security guard stands next to an Apple retail store during the release of the iPhone 5 in Shanghai December 14, 2012. The China release of its iPhone 5 on Friday should win Apple Inc. some respite from a recent slide in its share of what is likely already the world's biggest smartphone market, but its longer-term hopes may depend on new technology being tested by China's top telecoms carrier. REUTERS/Carlos Barria