Pen-sized scanners already exist. It shouldn't be too hard for these to swipe a regular phone number out of phone book, then using image recognition produce the necessary touch-tone signals to dial the number. Phones should have this built in.
-- davea0511, Oct 17 2007

Don't the Japanese already have this technology, or is that only for bar codes?
-- DrCurry, Oct 17 2007


We've had these for years in England. The GPO gives them away.
-- MaxwellBuchanan, Oct 17 2007



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