It only occurred to me the other day. I mean we all know PS2 introduced pressure sensitive buttons, PS3 controller introduced Sixaxis, PS4 controller is introducing
glorified select button touchpad. Sony has this hit and miss tradition with gimmicks to their controller, but they keep the controller so similar every gen that we don't give it much thought.
But I was thinking about how PS4 doesn't support PS3 controllers, and why it doesn't. While lamenting the fact that some people actually naively expect the touchpad to enhance their gaming. And then somehow it clicked in my head. It's a conspiracy. Sony is adding a cheap gimmick to the controller of every new Playstation for the sake of it. But maybe this gen there was an ulterior motive. The touchpad was introduced for the express purpose of justifying the lack of PS3 controller support.