Language learning app Duolingo has seen an over 200% spike in U.S. users learning Mandarin "out of spite" as many flee to Chinese app RedNote amid the uncertainty surrounding TikTok's future.
"Duolingo at this point is really all in on AI," Klinton Bicknell, Duolingo's head of AI, told me in an interview this month. The company said it's been invested in AI features since its launch ...