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Duolingo Inc. [b] is an American educational technology company that produces learning apps and provides language certification.Duolingo offers courses on 43 languages, [5] ranging from English, French, and Spanish to less commonly studied languages such as Welsh, Irish, and Navajo, and even constructed languages such as Klingon. [6]
The Duolingo English Test (DET) is a standardized test of the English language designed to be internet-based rather than paper-based. DET is an adaptive test that uses an algorithm to adapt the difficulty of the test to the test-taker.
Through Duolingo, Hacker wants users to have the option to increase their 'stay-tuned quota' which involves adjusting the learning time and difficulty of the course. Another idea derived from Hacker's philosophy was to apply gamification to Duolingo. This was to apply game elements and principles instead of classroom learning tools to the ...
Duolingo logo. In 2009, von Ahn and his graduate student Severin Hacker began to develop Duolingo, a language education platform. They founded a company of the same name, with von Ahn as chief executive officer and Hacker as chief technology officer. In November 2011, a private beta test of Duolingo was launched and the app was released to the ...
Duolingo generated $622 million in total bookings last year, based on 6.6 million paying subscribers and 88.4 million monthly active users (including the ad-based, free-to-use service).
Since its founding in 2017, Adonde Media clients have included Duolingo, TED, Spotify, Vice News, and Georgetown University. [9] In 2017, the Duolingo Spanish Podcast launched, hosted and co-produced by Castro, to support English speakers learning Spanish, using true first-person stories from around the Spanish-speaking world.