Apple has added a few qualifiers to its claim that iOS 6 is supported on older devices such as the iPhone3GS and the current iPod Touch. While it was inherently understood that some features, such as Siri and FaceTime, would naturally require the latest and most powerful devices, the company has now set out a precise list of limitations on what features of iOS 6 will -- and won't -- work on a given device. In some cases, the limitations seem arbitrary.
