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 ...
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 ...
Since the launch of No CAPTCHA reCAPTCHA, millions of internet users have been able to attest they are human with just a single click. Now, Google is taking it a step further and making it invisible.
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