This lecture focuses on generating a Market Opportunity Set by identifying applications and customers for unique abilities. It covers the process of linking core abilities to potential applications and customers, encouraging creative thinking and broad exploration. The importance of thinking out of the box, combining technologies, and considering various customer segments is highlighted. Practical examples are provided, such as predictive maintenance for commercial machines and consumer appliances. Strategies for zooming in and out on customer segments, boosting discovery skills, and summarizing the discovery process are also discussed.