Why Hardware Start‑ups Need a Moving Rule of 40, Not a One‑Time Snapshot
Brad Feld argues the SaaS‑born Rule of 40 can still guide hardware firms, but only when you track the metric over multiple quarters. Early‑stage hardware often shows strong growth and negative margins, so a single snapshot looks unhealthy even though the business is on track. Treating the curve, not a moment, prevents premature profit‑pressuring.