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The Useful Margin
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A practical guide

The Useful Margin explains the tools and systems woven into daily life, from safer account habits to thoughtful device choices, without assuming you are an expert.

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Make a Useful Backup Plan for Personal FilesGuidesWhat to Check Before Buying a Refurbished LaptopTechnologyBuild a Digital Filing System You Can Keep UsingWorkHow to Choose a Home Wi-Fi Router for Your SpaceHome LifeHow to Move Your Passwords Into a Manager Without Losing AccessPrivacy