社交电商把内容放进同一个环境，对话工具则进一步把购物变成连续对话。海外用户不再只浏览静态页面，而会询问“退货是否方便”。这种互动可以压低信息搜索成本，也让品牌从一次曝光进入更长的决策过程。 好的智能导购首先应该倾听，而不是急着发送购买
From Time-Sharing Terminals to AI Dialogue Across the Networked Age: A Roadmap for Human-Centered Dialogue
The story of chat systems begins far earlier than AI assistants. In the early computing age, computers were massive, institutional, and reserved for trained specialists. Work was usually handled through delayed computation. People prepared stacks of instructions, submitted machine-readable tasks,