The man teaching 300 million people a new language

Tuesday, January 28, 2020

The man teaching 300 million people a new language

Posted By: Unknown January 28, 2020 Leave a Reply
Luis von Ahn is the founder and boss of Duolingo, the world's most popular language learning app.

from BBC News - Business https://ift.tt/2GqF6Wp
January 26, 2020 at 02:29PM https://ift.tt/2kB3qKe

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