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Quora | 有哪些大多数人没听说过的新发明?把人逼疯的验证码原来还在做这么有意义的事儿

Quora文选  · 公众号  · 问答  · 2020-10-15 09:52
▲Quora第877篇 | #2019年精选 / #有道理 / #软件评测(908字) 专业What is the most interesting invention/technology that most people have never heard about?Max Altman · Hopefully at Google (company)300.6k Views · 17.5k UpvotesYou have all probably seen these while surfing the web, but do you know the purpose of it and how exactly it verifies whether or not you're a robot?This is called a CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart). They were invented in 2003 by researchers at Carnegie Mellon University in order to be used as a security check on websites to ensure only human users can pass through.Only humans can read this text, computers can't!So now millions of captchas are being solved every single day, isn't there a way that all this brain power can be put to good use? YES, there is. The creators of ReCaptch ………………………………

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