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How to ThinkIn the Age of AI

Highlight 10-20% of bolded passages on subsequent revisits…

From bolded passages, highlight 10-20% that are most relevant to your current purpose on subsequent revisits, creating a second layer of compression targeted to your active needs.

When This Fires

Common Failure Mode

Highlighting everything that's bold: "I bolded it because it was important, so of course I should highlight it." This collapses Layers 2 and 3 into a single layer, losing the purpose-specific filtering. The highlight must be more selective than the bold — it answers "What's important for this specific purpose?" not "What's important in general?"

The Protocol

(1) On revisiting a note with bold passages for a specific purpose, scan only the bold text (not the full note). (2) Highlight the 10-20% of bold text most relevant to your current purpose. (3) The highlight is purpose-dependent: different purposes may highlight different bold passages. It's okay for highlights to shift between revisits. (4) After highlighting, the note has three visible layers: full text (context), bold (general importance), and highlight (purpose-specific relevance). Future scans can start at the highlight level and expand to bold or full text only if needed. (5) If the same passages are highlighted across multiple different purposes, they're the note's most universally valuable content — candidates for the executive summary (Write a 3-5 sentence executive summary at the top…).