Absorbing reCAPTCHA, the word-verification Internet security organization, was a natural progression for the Google Book Project. The CATPCHA (Completely Automated Public Turing test to tell Computers ...
Completely Automated Public Turing tests to tell Computers and Humans Apart (CAPTCHA) systems, originally presented distorted text that users had to decipher and input correctly, relying on human ...
ReCAPTCHA is a free offering from Google to protect webmasters against robots and bots designed to propagate spam and abuse online services. Based on the Turing Test, reCAPTCHA uses puzzles or logic ...
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