TikTok U.S. users have been learning Chinese on Duolingo in increasing numbers amid their adoption of a Chinese social app called RedNote ahead of the

In reaction to—or protest over—the impending U.S. TikTok ban, which will take effect on Sunday if the app is not sold or if the Supreme Court doesn’t intervene, thousands of people in the country have joined RedNote.

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.