The Sauna blog

Sauna Blog

Field notes on agents, growth, and building the AI coworker.

A craftsman's workbench of small glowing tools by a cabin window, a sauna and still lake at dawn beyond, in soft pixel-art light.

LatestJuly 1, 2026

The Personal Software era

50 years after Personal Computers, we've finally reached Personal Software.

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A cut-paper desk with an empty chair pulled up and a steaming mug — a colleague already at work — in a soft dawn palette of dusty blue and apricot on cream.

The coworker, not the chatbot

A chatbot waits for your next message. A coworker remembers the last one, knows your tools, and gets the thing done while you're somewhere else. That gap is the whole product.
A cut-paper letter at rest beside a sound waveform rising from it, in a soft dawn palette of dusty blue and apricot on cream.

Text is async. Voice isn't.

Thinking about what changes when you talk to an agent instead of typing at it.