**Thinking Big While Working Small:** Some teams drown in incrementalism, decomposing a problem until it is unrecognizable. Other teams drown under the weight of big batches and long feedback loops where everything becomes a massive project. The best teams Think Big and Work Small. Discovery Mapping is a tool to facilitate thinking big while working small that supports teams, scaled environments, and dynamic reteaming. Built on the strengths of Story Mapping, Discovery Mapping takes the concept to the next level with some powerful and surprising results, including lightweight forecasting and tracking.