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.

As a TikTok ban looms, Americans are starting to download RedNote. Here's what you need to know about the app.