When multiple users give the same translation for a particular sentence, Duolingo considers it to be a legitimate translation and saves it accordingly. While learning a new language, its users are in fact translating actual website content. The model is used to digitize books through CAPTCHA forms and crowdsourcing to translate key words or phrases not understood by computers.ĭuolingo works similarly.
Indeed, it is the reCAPTCHA model that provides the basis for Duolingo. It was created by Luis von Ahn, who also developed CAPTCHA, reCAPTCHA, and the Google Image Labeller. Origin Storyĭuolingo is a language education platform that has become one of the most popular ways to learn a language online. Free users are also channeled into premium subscriptions with an ad-free experience and more features. Indeed, the free app makes money through advertising. Duolingo leverages a hybrid between ad-supported and freemium models.
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