The Apple Inc. logo is displayed outside of the Moscone Center before the start of the Apple World Wide Developers Conference (WWDC) in San Francisco, California, U.S., on Monday, June 8, 2015. Apple Inc., the maker of iPhones and iPads, will introduce software improvements for its computer and mobile devices as well as reveal new updates, including the introduction of a revamped streaming music service. Photographer: Michael Short/Bloomberg via Getty Images
