This is very cool and interesting and HN worthy. I second all the notes here about vibrotactile displays. Please also read up about how people are developing de

This is very cool and interesting and HN worthy. I second all the notes here about vibrotactile displays. Please also read up about how people are developing devices that substitute somato sensation (touch) for vision for blind people http://en.wikipedia.org/wiki/Sensory_substitution http://en.wikipedia.org/wiki/Sensory_substitution