this article is from WeChat official account: < span > the Vientiane tower (ID: GH_ Tiktok: 1b067b6c03c8) , author: Xiang Wenqian, Wu Conglu, Li Yuqi, Zhan Bo, original title: "product and algorithm: jitter, the ecological causes of fast hand East Internet: short video series depth two", the title is from: Vision China Kwai