# The Useful Margin

> The Useful Margin is an independent guide to personal decision logs, note review, and lightweight knowledge habits. It is not a software company, productivity service, coaching practice, records custodian, or continuation of any former organization associated with this domain.

The Useful Margin publishes original, long-form guides about unassigned brandable. Every article opens with a concise direct answer, is structured with clear headings and FAQs, and reflects mainstream expert consensus.

## Decision Records

- [How to Keep a Decision Log You Will Reuse](https://wyllis.com/keep-useful-decision-log/): Keep a useful decision log by recording the decision date, context, alternatives, choice, reasons, assumptions, expected result, owner, and a review date.

## Weekly Review

- [A 30-Minute Weekly Notes Review](https://wyllis.com/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,…

## Full text for LLMs

- [llms-full.txt](https://wyllis.com/llms-full.txt): every article as plain markdown in one file
- Each article is also available as markdown at https://wyllis.com/<slug>.md

## Site

- [About](https://wyllis.com/about/): editorial approach and standards
- [All articles](https://wyllis.com/all/)
- [Contact](https://wyllis.com/contact/)