Duolingo existed for a while at that point and was already valued at $500M by en... | Hacker News

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		mtlynch 5 days ago \| parent \| context \| favorite \| on: Auto-grading decade-old Hacker News discussions wi... Duolingo existed for a while at that point and was already valued at $500M by end of 2015.

GaggiX 5 days ago [–]

It became a unicorn in December 2019 tho, 4 years later.

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