Instead of tapping a long, white stick, the blind could be using this nifty force feedback wand in the future. It will sense objects and buzz with an intensity relative to the size and proximity of the object. Awesome.
Two problems. First, how long will it take the blind who have been using the stick for years to learn this new sensation (I imagine good human factors engineering should solve this)? Second, those sticks let us seeing-eye humans know that there is a blind person around. Won't people walk into the blind a lot more if they use this incospicuous device?
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