The most underrated use of AI: capturing tacit knowledge before its owners die

r0ck3t23 · x · 2026-11-04

A widely shared essay argues that humanity's most valuable knowledge is tacit — a surgeon's decades of intuition, recipes that lived only in a grandmother's hands — and what survives in books is almost never the part that mattered most. More knowledge has been lost to death than ever saved.

For the first time, AI can sit beside a person, watch how they work, and absorb what they could never write down. The real question, the author says, is not whether AI replaces people but whether we point it at people before they leave, so a lifetime of judgment doesn't vanish in an afternoon.

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