About buttons:
"There's tons of demos of different ways to do it Disney has a tech demonstration out that can change the texture of the screen. There are also some that can provide voltage to different areas to make the screen physically rise and depress on touch."
http://www.neogaf.com/forum/showpost.php?p=198599136&postcount=3312
"Bosch showed off its NeoSense touchscreen system at the Las Vegas Convention Center, as part of the Consumer Electronics Show (2016) on Wednesday. Using what Bosch calls haptic-feedback technology, NeoSense empowers drivers to keep their eyes on the road, while learning the feel of various controls for different car features. (...)
In dragging my index finger across the six buttons, as part of Bosch's CES 2016 booth, I quickly noticed how each gave off a unique feel. One was smooth, one coarse and another outfitted with grooves."

Proud to be the first cool Nintendo fan ever
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Prediction: No Zelda HD for Wii U, quietly moved to the succesor
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