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Acquired byGoogle
Date9/2009
TermsCash

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reCAPTCHA

reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows.

reCAPTCHA improves the process of digitizing books by sending words that cannot be read by computers to the Web in the form of CAPTCHAs for humans to decipher. More specifically, each word that cannot be read correctly by OCR is placed on an image and used as a CAPTCHA. This is possible because most OCR programs alert you when a word cannot be read correctly.

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reCAPTCHA screenshot
Above: reCAPTCHA
Uploaded: 9/21/09

Sources

  1. Google Acquires reCaptcha To Power Scanning For Google Books And Google News (techcrunch.com) [edit]
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Last Edited 6/10/13

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