I applaud this group for innovating in the stagnant world of assistive devices. I'm curious to see how their work progresses in a world where braille literacy r

I applaud this group for innovating in the stagnant world of assistive devices. I'm curious to see how their work progresses in a world where braille literacy rates are on the decline and where braille readers are the minority of the US blind population: http://en.wikipedia.org/wiki/Braille_literacy http://en.wikipedia.org/wiki/Braille_literacy