我们曾经拥有的（在互联网XMPP时代的巅峰时期）（2023）
本文回顾了互联网XMPP（可扩展消息与存在协议）时代的辉煌时期，探讨了当时去中心化、开放标准的即时通讯生态系统的优势，以及这种模式如何被当今封闭的围墙花园所取代。
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