I hereby decree that it would be oh-so-nice if Apple offered a feature in iOS 9 for the 6s and 6s+ that turned on light taptic feedback when pressing keys on the onscreen keyboard. Maaaaybe it's already an option, perhaps under Accessibility? I say this, as I have been using the 12" retina MacBook since its release, and for me, I've never once really thought about the fact that the trackpad doesn't actually have a button. It sure feels like there's a button! It's extremely convincing. And I think that if it were offered as a keyboard feature, it would essentially be the last nail in the coffin of the argument that a soft keyboard isn't as good as a physical keyboard. This also brings up the point, gosh I'm surprised that Apple doesn't emphasize the taptic engine more in its marketing for the 6s. Yeah, it's mentioned, but I think a lot of people are missing how it works, when they say things like, how is it any different than a long touch? It's the feedback -- the MacBook trackpad already offers the two levels of taptic feedback that the new iPhone does. Light press, then harder to "pop." It's really quite cool, and I think will transform the experience of using a touchscreen smartphone.