Facing the loss of their favorite app, users have flocked to another China-based platform. The resulting cross-cultural exchanges have been revealing. The TikTok ban is expected to come into force on Sunday,

Shanghai-based Xiaohongshu, or RedNote as it is known in English, is a Chinese social media platform growing in popularity as an alternative to TikTok, but with the same security risks.

Chinese social media app RedNote, known in China as Xiaohongshu, gained nearly 3 million U.S. users in one day earlier this week as a flood of self-proclaimed "TikTok Refugees" joined, according to new data from analytics firm Similarweb.