Open P3ZO

Blog

Notes on what we're building, what we're learning, and where the thinking is heading.

Product·4 min read

Why the interface stays quiet

Most assistants compete for your attention. We took the opposite approach — no streaks, no badges, no reasons to come back other than needing something. A short piece on designing for absence.

Engineering·7 min read

Streaming responses without a framework

How the chat renders tokens as they arrive using nothing but the Fetch API and a text decoder, and why we kept the whole client in a single file.

Approach·5 min read

Storing nothing, on purpose

Conversations live in your browser and nowhere else. What that buys you, what it costs, and the trade-offs we accepted to keep it that way.

Notes·3 min read

What we got wrong in the first build

An honest list — the assumptions that didn't survive contact with real use, and what changed as a result.

More soon. Posts land here as they're written. For anything you'd like us to cover, the contact page is open.