Interesting….. Microsoft this week filed a patent application covering a novel way to construct a "tactile" touchscreen – a display that uses technical tricks to convince users they are actually touching the ridges, bumps and textures of a displayed image. It uses UV light ..
A Day in the Life of a Presson…
Co-discover Interesting things :)
A Day in the Life of a Presson... 
Interesting but also kind of scary what they could come up with!