Which linguistics professor's endorsement and collaboration significantly boosted Duolingo's credibility in academic circles and led to their innovative 'Stories' feature?

The linguistics and language technology industry has seen remarkable growth through strategic brand partnerships. Major tech companies have allied with renowned linguists and language institutions to enhance their AI-powered language products. These collaborations have not only improved translation technologies, speech recognition systems, and language learning applications but have also shaped public perception of language technology. Test your knowledge about these influential partnerships that have revolutionized how we interact with language technologies.

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Dr. Steven Pinker from Harvard University
Dr. Gretchen McCulloch, author of 'Because Internet'
Dr. Cindy Blanco, former University of Michigan linguistics researcher
Dr. John McWhorter from Columbia University