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HP shows off 'wall of touch' concept to Wall Street Journal

HP’s “wall of touch” is apparently already in use by a handful of companies in prototype form, and HP has now shown it off to The Wall Street Journal, reports It makes use of a camera-based system and a magnetic strip to detect where users are pointing and when they approach the wall. HP is mostly pitching it to companies intending to use these in public spaces (Continental Airlines has one of the first at the Houston Airport), but HP does say that if there’s enough interest it will turn it into a mainstream product.