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Link: http://link.brightcove.com/services/link/bcpid1185114685/bctid13157402...NEW YORK (AdAge.com) -- You don't know Carnegie Mellon assistant professor of computer science Luis von Ahn but you know his work. He created the "Captcha" -- those distorted character sequences you have to enter into a field in order to access various sorts of web pages. The device lets humans in but keeps bots out of sensitive web areas. And now, the professor has found a new way to use Captchas to help digitize the world's books.
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