This document discusses value chain mapping and the business case for understanding value chains. It begins by posing definitions for key terms in the statement "To make better products tomorrow, we must know where they come from today." It then discusses problems and opportunities that arise from knowing more about value chains. Specifically, it notes that the business case must show a clear pathway to profit and return on investment. It also discusses balancing financial, social and environmental impacts. The document then provides examples of how understanding value chains can increase income, decrease costs, and manage risks for businesses.