Google Acquires reCAPTCHA to Fight Spam and Improve Google Books OCR
Sep 16, 2009
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Google just announced that it has acquired reCAPTCHA, one of the leading providers of CPATCHAs, the hard-to-read puzzles you often have to solve before you can sign up for a new web service. Google, of course, isn’t so much interested in owning software that can generate CAPTCHAs – that’s an easy problem to solve – [...]

