新一代AI助手的意义，已经正在超越能回答。从三类资料可以看到，它一端连接问答系统，另一端进入健康管理等高频场景。过去用户面对的是网页列表，实际使用中更期待用自然语言直接提出需求，并获得清晰解释。 在教育领域，对话式AI正在从知识搜索框走向�
How Chat Systems Became Digital Infrastructure Toward Always-On Communication: Development and Future Vision
The history of digital conversation begins far earlier than AI assistants. In the 1950s, computers were room-sized, scarce, and difficult to operate. Work was usually handled through queued jobs. People prepared paper tapes, submitted programs and data, and waited for a line-printer output to ret