Have you ever seen pop-ups (弹出窗口) when you go online?
These days it's common for you to get a pop-up which lets you (put) the App in "teen mode (模式)" every time you begin to use Apps like QQ or Tiktok? A lot of Apps, especially video Apps, have added this feature (功能) to protect teenagers. It's said that it will bring teenagers (good) experiences than before and make sure they're using the Apps in a healthier way. For example, Apps like Tiktok have the feature to prevent teenagers from watching videos for long and with the feature, they might only be allowed (watch) for 40 minutes. The videos that teenagers can watch are made sure to be safe and even educational. There are no advertisements and teenagers cannot pay any m for the videos. In QQ's teen mode, teenagers can only talk to people on their contact lists. (they) chat records show pinyin, which is useful for primary school students.
However, the teen mode does not work for all Apps, a to a recent report by the National Consumer Council. There aren't any (different) between the teen mode and the normal mode in some Apps. And in some video Apps, the teen mode won't start users watch videos for 40 minutes. But users can get past it b clicking (点击) " I know " and continue watching.
Though you can learn a lot from short videos, it's n to control the time.
