Traditional stage-gate planning obfuscates the assumptions and shines the light on the financial projections. But there is no need to focus the analytical spotlight on the numbers, because the desirability of attractive numbers has never been the question. Discovery-driven planning shines a spotlight on the place where senior management needs illumination—the assumptions that constitute the key uncertainties. More often than not, failure in innovation is rooted in not having asked an important question, rather than in having arrived at an incorrect answer.