This document discusses measuring success in design. It presents three measures of design success: user satisfaction, company performance, and team maturity. For user satisfaction, it recommends understanding user needs and testing hypotheses through usability testing and surveys. For company performance, it suggests measuring key metrics like engagement and the bottom line. For team maturity, it proposes assessing how a team's design process has improved over time. The document stresses the importance of measuring something, anything, to understand and improve design success.