Personal Knowledge Evolution
Historical progression of personal knowledge management tools and ideas
Personal knowledge evolution traces the development of tools and ideas for managing personal knowledge, from mid-20th century visions to contemporary systems.
Foundational Vision
- As We May Think — Vannevar Bush's 1945 essay
- Memex — Bush's proposed personal knowledge machine
Conceptual Frameworks
- Digital Brain — a system that mirrors and extends a mind
- Digital Garden — public, evolving interlinked notes
- Digital Jungle — self-organizing low-friction knowledge space
- Second Brain — personal knowledge management practice
Implementations
- Project Aldehyde — Sunghyun Cho's early attempt
- Extracranial — Cho's personal digital brain system
- Multilingual Memex — language-aware knowledge system with auto-translation
- Project PIRI — cancelled translation initiative
Design Principle
- Friction as Enemy — minimizing overhead to maximize capture