Chinese social media app RedNote, known as Xiaohongshu in China, has gained 700,000 U.S. users as TikTok faces a potential ban over national security concerns. Unlike other Chinese apps, RedNote doesn't require a Chinese phone number and allows both U.S. and Chinese users on the same platform. The app is adapting to its growing audience by moderating English-language content and developing translation tools. Meanwhile, ByteDance has until Jan.