It's not the futuristic electrostatic force field generation that can create different touch feelings over a touchscreen - like the one some expected to see used on the new iPad - but NEC was aiming for a far simpler and cheaper touchscren feedback method.
The key is a movable platform that allows the touchscreen to be slightly pulled in any directon, and I can really imagine it could be quite effective.
My only concern is that, being a mechanical system, wouldn't it be prone to higher failure rates, due to users pressing harder and harder to battle its movement?
Guess we'll have to wait a little while longer to find out... But I'm sure this is bound to become the next "big thing" after the high-resolution high-density tablet screens become commonplace.
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