“BlindMaps” by BlindMaps Markus Schmeiduch, Andrew Spitz, Ruben van der Vleuten. (2014)
This device reinterprets touch screen gps apps for blind people. The user says their desired destination into the device and pins on the screen, much like brail, move up and down in real time to guide the user to their destination.
More information about this and other impressive uses of technology here…