Five years ago, Patrick Baudisch found that it was getting harder to dial the minuscule buttons on ever-smaller cell phones; he couldn’t see what he was tapping on the keypad while he was holding the phone. What he really needed, he decided, was fingers he could see through.
So Baudisch, a scientist at Microsoft Research who was studying human-computer interaction, started working on something more practical: LucidTouch, a digital technologymeant to give handheld devices the illusion of transparency. An unusual joint venture formalized in 2006 between Microsoft and Mitsubishi Electric Research Labs, LucidTouch is designed to allow the use of all 10 fingers, unlike the BlackBerry or Treo.
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