What do American "cephalologists" think of TikTok?

Editor's Guide: TikTok, as the overseas version of TikTok, has also won the favor of many users abroad.
What do some foreign scholars, experts and analysts think of this hot TikTok? The author translated the article about TikTok by Eugene Wei, an independent analyst, and explained his views on this "new thing" to share with you.
Eugene Wei, an independent analyst, has written three articles about TikTok, explaining his understanding of this "new species" from three perspectives: recommendation algorithms achieve accurate content distribution and user stratification/segmentation;
Single column design effectively collects negative feedback from users and optimizes the algorithm;
Convenient production tools and functional operations activate the creativity of users and the viral spread of memes.
Looking at the three articles, Eugene Wei highly esteems TikTok, among which there are many complaints about the failure of innovation of traditional head products such as Facebook, Instagram, Twitter and YouTube.
In particular, as an American Internet practitioner and commentator, Eugene Wei's analysis perspective on TikTok is different from that of domestic senior teachers.
Therefore, I have arranged my thoughts on these three articles as follows, making a record and sharing, which is also convenient for everyone to exchange and discuss.
The original text is in English.
In addition, I rearrange my reading experience based on my own logic.
It is inevitable that there will be some misunderstandings and missing information.
Readers who are interested and qualified are suggested to look at the original text.
Author introduction: Eugene Wei graduated from Stanford and is the first strategic analyst of Amazon.
Later, he worked in Hulu, Flipboard and Oculus, the VR business of Facebook.
He has a lot of work practice and research in Internet products, and output on his personal blog Remains of the Day.
After leaving the enterprise, he is now working full-time as a TMT commentator, consultant and angel investor.
His representative work is a series of research articles on social capital and social status Staas (Status as a Service) (Teacher Xi Angxiang once translated it into Zen and the Art of Social Network Maintenance).
1、 TikTok and the Sorting Hat Teacher Pan Luan has compiled this article in Chinese.
In the first article, Eugene Wei mainly reviewed Musical The development history of ly to TikTok has little information increment compared with the versions you have seen in many domestic media.
He emphasized how TikTok achieved personalized recommendation through algorithms, so as to effectively stratify and differentiate users, and ease the social friction of differentiated groups in social/community products - namely, the "Sorting Hat" function in Harry Potter, especially in countries with strong multicultural heterogeneity such as the United States.
Complaining about Facebook and Ins