How a bot-fighting test turned into edtech’s most iconic brand, Duolingo
TechCrunch
MAY 3, 2021
Luis von Ahn, an entrepreneur who has dedicated his career to scaling free education, has probably annoyed you more than once. The immigrant entrepreneur would soon learn himself that crowdsourcing, language and a willingness to adapt and ignore critics could change the face of an industry forever. CAPTCHA’ing a market.
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