Touchscreen with relief

On the same subject of my last post, I was thinking how we can improve smart phones for blind people. Touchscreens with relief seem a good way to go. The video shows how buttons are elevated from the surface of the tablet when a keyboard is selected. If this technology can be refined to a higher resolution (with smaller buttons), one could eventually print braille on screen. This would be a huge improvement for blind people, since they don’t need a voice to say what is on the screen anymore.

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