Copyright (c) 2013 by Joe Garcia-Montes. All Rights Reserved.
Patent Pending.
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Computers vs. Humans

The acronym CAPTCHA, which stands for (“Completely Automated Public Turing test to tell Computers and Humans Apart”) denotes a challenge-response test used to ensure that the response is generated by a human (von Ahn et al., 2003). A CAPTCHA is a kind of reverse Turing...