Unverified50% confidenceFactExact time
Ted Nelson 在1960年代设想了 Xanadu 项目，一个所有文档都能互相引用且关系双向可见的信息系统
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
Building an AI Second Brain: The Complete NotebookLM + Obsidian Workflow
bilibiliAI_Express6/16/2026
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