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ARTICLE26

The Unexpected Truth About Personal Knowledge Management: What My "Second Brain" Actually Taught Me

DEV.to AIΒ·April 21, 2026

The author spent two years building an AI-powered "second brain" for personal knowledge management, aiming to be 10x more productive. Despite significant effort and over a thousand hours dedicated, the project turned into a "digital dumpster," with only 6.6% of the 12,847 saved articles actually utilized.

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