T The Useful Margin
Small records for remembering why you chose that.

How to Keep a Decision Log You Will Reuse

Keep a useful decision log by recording the decision date, context, alternatives, choice, reasons, assumptions, expected result, owner, and a review date.

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Weekly Review

A 30-Minute Weekly Notes Review

Run a 30-minute weekly notes review in four timed blocks: five minutes to collect loose notes, ten to classify each as an action, calendar item,…

4 min · 2026-07-19

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Decision Records

Decision Records

Brief records of choices, assumptions, alternatives, owners, review dates, and what happened next.

Weekly Review

Weekly Review

Short routines for emptying inboxes, reconnecting loose notes, updating actions, and removing dead weight.