30-day comparison · external mechanical keyboard vs MacBook keyboard. Real typing speed + fatigue data.
Verdict: external mechanical (Keychron K6 $79) saves 5-8 min/hour for heavy typists · 50% less fatigue. Skip if minimal typing.
AI-assisted research synthesis · human-edited by SUJI KIM · EU AI Act Art. 50 transparency
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By SUJI KIM · 30-day refund Gumroad standard