THIS STORY HAS BEEN FORMATTED FOR EASY PRINTING

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Millions of people are deciphering vintage texts without knowing it - and forging a new path for computing.

By Matthew Battles
August 17, 2008

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It happens all the time: you're registering a free e-mail account or making a purchase online, when up pops a wavy, multicolored word. The system asks you to retype the word - and you roll your eyes, squint a little, and transcribe. This little test is one of the most successful techniques for making sure the person trying to log ... (Full article: 1386 words)

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