Apple has announced iTunes Radio, a new music streaming service for iOS. Apple's SVP of Internet Software Services Eddy Cue took to the stage at the WWDC 2013 keynote to show off the new service.Related StoriesAndroid will surpass Apple in app downloads by October, report findsWWDC 2013: iOS 7 leaks 'are all wrong'iOS 7 icons leak ahead of WWDC 2013 unveiling