Tech companies like OpenAI are in the grip of a new Red Scare — and talented immigrants are getting caught in the crossfire.

China on Monday urged the United States to listen to "rational voices" over the social media platform TikTok, as a law banning the wildly popular app on national security grounds came into effect.

This looming TikTok ban has over 170 million US TikTok users (who have named themselves "TikTok Refugees") scrambling for a replacement app. And that's what these users have seemingly found in Xiaohongshu or RedNote — a Chinese-owned social media app that has already risen to #1 on the US App Store.

In the days leading up to the US TikTok ban, Americans have flooded Rednote, a similarly Chinese-owned app, with over a million downloads. Chinese social media app Rednote, a platform similar to TikTok and Instagram,