外因則是精準的捕獲。賈煜表示，「一些平台通過捕捉老年人對『家庭』『健康』『陪伴』『懷舊』等關鍵詞的偏好，定向推送內容，強化情感依賴。」中國消費者協會發布的報告顯示，「一些短視頻平台利用算法鎖定老年人推送離奇、浮誇『微短劇』，然後再以極低價格誘導其繼續觀看並默認開通免密支付，隨後按集扣費並自動播放。」
公式： f(x)=x⋅σ(x)
，这一点在im钱包官方下载中也有详细论述
For pranksters of a certain age, Fraser Smeaton is a hero. With his brother, Ali, and former roommate, Gregor Lawson, the Scottish business leader is cofounder of MorphCostumes. The U.K. company launched a twist on the zentai full-body spandex suit in 2009 and spawned a legion of viral videos. When a Gap store on Fifth Avenue was “morphed” by a band of improv-artists in 2018, the police had to be called. The accompanying video received millions of views.，详情可参考夫子
Ultrasonic speakers are lowered into the sea to test if they scare fish away
这种转向并非中国平台的独有选择。在电商领域，海外平台已形成履约服务、广告与工具的组合收入结构；在出行领域，广告与数据相关收入也逐步成为新的增长点。不同市场、不同监管环境下的平台，正在沿着相似的路径，将收入从交易本身，转移至流量、服务与基础设施层面。