A feature is a line on a roadmap. A formula is a decision about who you are.
When we started the atelier, we spent a week trying to write a product spec for Eviddo. Every version read like a checklist: tamper-proof log, timestamp, handoff flow, dispute module. Correct, and entirely forgettable.
So we stopped writing specs and wrote a formula instead. Three lines. What the bottle contains, who it's for, and what it refuses to do. The last line is the one that matters — a formula is as much what you leave out as what you put in. Eviddo refuses to be a chat product. It refuses to interpret. It refuses to guess.
A formula is as much what you leave out as what you put in.
Features accumulate. Formulas commit. We ship the formula; we edit features against it. When a new request arrives, it either belongs to the bottle or it doesn't. Most don't, and that's the point.