PALO ALTO, CA - SEPTEMBER 20: Apple CEO Tim Cook uses an iPhone to take a picture of customers waiting in front of an Apple store to purchase the new iPhones on September 20, 2013 in Palo Alto, California. Apple launched two new models of iPhone: the iPhone 5S, which is preceded by the iPhone 5, and a cheaper, paired down version, the iPhone 5C. The phones come with a new operating system. (Photo by Justin Sullivan/Getty Images)
