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The man teaching 300 million people a new language Luis von Ahn is the founder and boss of Duolingo, the world's most popular language learning app. January 26, 2020 at 04:29PM https://ift.tt/eA8V8J BBC News - World

The man teaching 300 million people a new language Luis von Ahn is the founder and boss of Duolingo, the world's most popular language learning app. January 26, 2020 at 04:29PM https://ift.tt/eA8V8J BBC News - World

January 26, 2020
Luis von Ahn is the founder and boss of Duolingo, the world's most popular language learning app.

from BBC News - World https://ift.tt/2GqF6Wp
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