Apple users were outraged with the iOS 6 upgrade that eliminated YouTube and Google Maps apps. Apple's maps app was so bad, in fact, that CEO Tim Cook issued an apology to customers in September and even encouraged them to try competitor's apps until the problem could be resolved. Factor in the management shakeup that resulted in the firing of mobile software chief Scott Forstall, and the pressure is on Apple to come back strong with iOS 7. Look for Passbook, the mobile wallet feature of Apple's operating system, to play a more prominent role in the upgrade.
NEXT: iPhone 5S, June 2013