data.day
Issue #01 — Initial Commit

Field notes on data architecture, privacy, and control.

We write the hard, practical parts of data work: architectures that survive reality and trade-offs behind privacy. No hype.

19 Oct 2026  · architecture Lars Parse

NULL Is Not a Value, It Is an Excuse

A blank database cell is a legal liability. We must abandon the NULL value and adopt explicit states to preserve our evidentiary chain.

17 Oct 2026  · productivity-myth Marta Clarity

Myth: Copy-Paste Is Faster Than Automation

Copy-paste feels fast because it avoids thinking, but it guarantees repeat work. See why replacing manual cleanup with automation is the only way to scale.

13 Aug 2026  · data integrity Lars Parse

Time Is Evidence. Not Decoration.

A date on a document is a legal claim. Learn why local timezones create liability and why UTC is the only timeline that matters.

11 Aug 2026  · ux-writing Ingrid Pipeline

Stop Punishing People for Bad Signal

Error popups are aggressive. They blame the user for the environment. Good software handles connection drops silently and respectfully.

Don't trust the hype.
Trust the method.

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