[my3681]

If I am not mistaken, Apple has been awarded patents in the area of localized haptics using tiny actuators. It may be that no rival solution has emerged. I was also quite upset when the announcement dissolved into a UI metaphor.

http://appleinsider.com/articles/13/02/19/apple-awarded-pate...

[gurkendoktor]

If Apple was anywhere close to building it though, I doubt they'd remove all textures and button outlines :(