The Chinese version of TikTok is limiting kids to 40 minutes a day The Chinese version of TikTok is introducing a "teenage mode" that will limit the amount of time children under the age of 14 spend on the short-form video app to 40 minutes a day. The measure will apply to all Douyin users under the age of 14 who have registered for the app using their real names, Beijing-based ByteDance announced in a statement on Saturday. Douyin will also be unavailable to those users between 10 p.m. and 6 a.m., the owner of TikTok and Douyin added. The...