A practical map of browser-extension permissions
Read an extension request as a list of capabilities, not as one vague trust decision.
Field notes
Articles
Field notes for understanding software, devices, privacy, and the standards between them.
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Passkeys, passwords, and what changes for the user
Passkeys replace a reusable secret with a site-scoped key pair, but recovery still deserves attention.
Local and cloud AI tools: where the work happens
The interface can look identical while the data path, hardware burden, and failure modes are very different.
What USB-C labels do and do not tell you
One connector shape can carry very different combinations of charging power, data speed, and display support.
A measured home Wi-Fi upgrade checklist
Measure placement, interference, and the wired path before replacing hardware.
How to read a software privacy setting before enabling it
Follow the data through collection, purpose, sharing, retention, and deletion.