会话工具看似人人都能使用，但“人人”并不相同。视障用户依赖屏幕朗读，听障参与者需要视觉提醒，行动不便者难以快速点击，跨语言用户可能因表达障碍被排除。无障碍不宜是插件，而应成为对话产品的基础。 包容性设计要允许组合字幕。语音能够转文字，
对话式社交电商的体验设计方法：把即时沟通变成可信购物服务
社交电商把内容放进同一个环境，对话应用则进一步把购物变成连续会话。顾客不再只浏览静态页面，而会询问“退货是否方便”。这种互动足以减少售后不确定性，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澄清，而不是急着发送购买链接
How Chat Systems Became Digital Infrastructure Across the Networked Age: A Roadmap for Human-Centered Dialogue
The history of digital conversation begins well before social platforms. In the period of mainframe dominance, computers were room-sized, expensive, and difficult to operate. Work was usually handled through queued jobs. People prepared stacks of instructions, submitted jobs and commands, and wai