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CAPTCHAs Are Good For the World

October 4, 2007

Read this article on BBC News about the technology of CAPTCHA (or Completely Automated Turing Test To Tell Computers and Humans Apart), which was originally designed to separate humans from computer bots. Interestingly, besides stopping automated bots from spamming, CAPTCHA also serves a higher purpose of helping university researchers preserve old books and manuscripts. These […]

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