“Learning Mandarin out of spite? You’re not alone,” Duolingo joked on X. “We’ve seen a ~216% growth in new Chinese (Mandarin) learners in the US compared to this time last year.

During that time, people were looking at RedNote as a potential alternative to TikTok. However, because RedNote’s default language is Mandarin Chinese, Duolingo suddenly noticed roughly 216% growth in ...