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reCAPTCHA and Duolingo: Luis von Ahn

发表于 2020-05-25 yahoo recaptcha ahn

In 2000, Luis von Ahn was starting his PhD in computer science when he attended a talk and happened to learn about one of Yahoo's biggest problems: automated bo…

ClassPass: Payal Kadakia

发表于 2020-06-29 kadakia classpass payal

In the late 2000s, Payal Kadakia was working a corporate job and running an Indian dance company on the side. When a search for a ballet class yielded a confusi…

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