So you're eagerly awaiting iOS 6 in the fall, but you'd like to know just how many features you'll end up skipping if you cling on to your existing iPad, iPhone or iPod touch for one more generation. Apple has gone to the trouble of alerting would-be upgraders just what features they'll get when they check for the update this fall, and we've compiled it in a chart for an at-a-glance view of what you'll need. The short answer: you'll want an iPhone 4S if you're craving every iOS 6 feature. Some feature gaps are defined by obvious differences like the absence of cellular hardware, but the pe
