Tik Tok is a waterfall design that allows unlimited scrolling without an end. And Tik Tok's algorithm and big data accurately recommend what you want to see. This makes it easier for you to get addicted to the app.

And why did Tik Tok only shoot 15 seconds at the beginning? Because 15 seconds of content can form a relatively deep short-term memory. A research report by Millward Brown confirmed this. Compared with 15-second, 45-second and 60-second videos, 15 seconds has the highest memory accuracy.

In fact, the entire Internet is like a real behind-the-scenes mastermind. He uses: Tik Tok, Kuaishou, Weibo jokes to attract your attention, waste your time, release your laziness, consume your thinking power, and then use the rare cases of xx 90s getting rich and xx and 00s earning 100,000 a month to trigger your anxiety. Then use knowledge payment and various big Vs to realize your anxiety.