bn:00272982n
Noun Named Entity
Categories: 2007 in computer science, 2009 acquisitions, Optical character recognition, Articles with short description, American inventions
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reCAPTCHA  Google CAPTCHA  Mailhide  no CAPTCHA reCAPTCHA  Recapchca
EN
reCAPTCHA Inc. Wikipedia
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reCAPTCHA Inc. Wikipedia
CAPTCHA implementation by Google Wikidata
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