Product Notes

Documented decisions, lessons, and trade-offs from building Bersaglio products and tools. Notes interpret what we learned; the Lab records active experiments in progress.

Archive

Decisions, post-mortems, and documented lessons.

8
Design & Systems4 min read

Why a product lab can't afford a generic 404: the physics of interface calibration

How we turned the site's peripheral surfaces — from the 404 error page to accessibility and privacy — from generic templates into a cohesive, tactile editorial system.

Architecture & Privacy7 min read

The Zero-Upload principle: why our utilities run 100% in your browser

Why we refuse to add databases, user accounts, and server persistence to focused utilities — and how client-side execution makes software faster, safer, and timeless.

Product decisions5 min read

From a generic form to an active workbench: designing the Bersaglio × Voymora flight rights checker

How a two-column workbench, client-side calculation, and precise statutory citations turn a flight rights check from a generic form into a reliable decision aid.

Product decisions4 min read

Why Knessetil activity metrics are measurements, not a quality score

A product decision behind Knessetil’s civic interface: show discrete activity counts, separate source data from calculated metrics, and never collapse several measurements into one quality score.

Product decisions7 min read

From a generic checklist to an active travel workbench: designing Trip Readiness (Bersaglio × Voymora)

How we turned the Israeli traveller's trip readiness planner from a boring form into an editorial workbench inspired by our 61 Coalition Calculator, pairing live readiness tracking with official government sources.

Product decisions4 min read

Why the first budget tool is a local cash-flow planner

A product decision behind Bersaglio’s first public tool: start with a private, browser-only monthly cash-flow view instead of trying to automate a person’s entire financial life.

Product decisions4 min read

Why Festivalio became a multi-edition platform instead of a single-event companion

The product and architectural decisions behind evolving Festivalio from an Ozora 2026 companion into an offline-first, multi-edition festival platform.

Product decisions4 min read

What changed when Bersaglio became a Product Lab

Why we replaced vague positioning with explicit terminology — and what it changed across Bersaglio's site, projects, and architecture.

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