"Echo Wall Effect" means that the approval notice is constantly strengthened in a closed circle, which makes people tired of thinking, more paranoid and unable to accept the opposite opinions. Once the information cocoon room is formed, it will continue to aggravate group polarization.

For example, when we watch Tik Tok, there is an algorithm that will always push your favorite videos to you. When you go to Taobao, the goods you have browsed or bought will be pushed to you next time. These programs have been completed by thousands of people. What you see on the homepage interface is all customized for you.

The content you search on Baidu, then you will see a lot of related advertising pushes. These are all satisfying your preferences. Push what you like to you. In this way, you will find that what you see is what you like and what you approve.

Such information barriers will make you feel that the world is what you think. Because all information is constantly being verified and strengthened.

1970' s "knowledge gap theory" means that information monopoly intensifies class division: in modern society, because the rich usually get information faster than the poor, the more information the mass media transmits, the greater the knowledge gap between the rich and the poor will be.

When the cognitive gap between metropolis and urban-rural fringe is opened, the algorithm-led information distribution, instead of eliminating the barriers between circles, strengthens the barriers and forms an echo wall.

If you want to get rid of the echo wall effect, you should keep an open mind, read more books, read books in various disciplines and establish your own basic thinking model. Communicate and learn more with people from all walks of life. Travel more and experience different cultural customs.

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