To be fair (at the time) AT&T's Bell Labs division was the one producing those prototypes. So it may not be AT&T that is wholly responsible for it, but Bell Lab

To be fair (at the time) AT&T's Bell Labs division was the one producing those prototypes. So it may not be AT&T that is wholly responsible for it, but Bell Labs did kickstart most of these. Well, except the phone booths :) (Also, the alternate interpretation is that AT&T is providing the interconnection necessary to power these innovations, for one the iPhone was introduced by AT&T (mainly because they were the only willing ones to allow Apple to update them independently) so in a more pragmatic sense AT&T did deliver the future. But on the flipside, some might consider it to be cheating.)