社交电商把交易放进同一个环境，对话应用则进一步把购物变成连续沟通。顾客不再只浏览静态页面，而会询问“多久能送到”。这种互动能够压低售后不确定性，也让品牌从一次曝光进入更长的决策环节。 好的智能导购首先应该提问，而不是急着发送购买链接。
From Time-Sharing Terminals to AI Dialogue Toward Always-On Communication: 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, scarce, and far from ordinary users. Work was usually handled through batch processing. People prepared stacks of instructions, submitted programs and data, and waited for a printe