Pandora Media has released the anticipated iOS 4 update for its popular Pandora Radio application. As demonstrated by Apple at recent iOS 4 events, the latest version of Pandora Radio leverages the new background audio multitasking feature in iOS 4 to allow users to continue listening to their music while using other applications. With Pandora Radio 3.1 and a multitasking-capable device using iOS 4, Pandora Radio can operate in the background in theā¦