Apple Maps is back back back! After taking a beating when it launched last year, the once error-strewn Maps has made an impressive comeback. Even after its extraordinarily rough start last year, Apple Maps was used by nearly six out of every 10 US iPhone owners during September, according to data recently published by metrics firm comScore. The rival Google Maps, meanwhile, shed an estimated 22.3 million users on Android and Apple smartphones during that same stretch, signaling that on most iPhones, Apple's own mapping app has re