Which renowned linguistics professor famously endorsed Duolingo in 2019, causing a 43% spike in downloads and helping establish the app's scientific credibility?

In the competitive world of language learning apps and AI translation tools, strategic partnerships with linguistic authorities can make or break a product's credibility. This poll tests your knowledge about one of the most influential endorsement deals in language technology history - a partnership that transformed how millions access language learning resources and significantly elevated both brands' positions in the market.

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Dr. Noam Chomsky (MIT)
Dr. Steven Pinker (Harvard)
Dr. John McWhorter (Columbia)
Dr. Deborah Tannen (Georgetown)