In the days leading up to a proposed US government ban on the social media platform TikTok, American users have turned to another Chinese-owned app, Xiaohongshu or popularly referred to as RedNote. The United States passed a law last year forcing the popular video platform’s owner ByteDance to either sell it or shut it down by January 19.

TikTok refugees flocked to Chinese platform Xiaohongshu on Monday, where users greeted them with offers of Mandarin lessons and jokes about spying.

With TikTok's days in the U.S. potentially numbered, many American users are moving to another Chinese social media app: RedNote, a heavily censored platform similar to Instagram. Here's what to know.