Jacques Woodcock discusses the importance of user experience (UX) in defining product strategy, emphasizing that UX is essential for creating products that meet user needs effectively. He argues that good design is not merely about aesthetics but about structuring elements in a way that provides a usable experience for the target audience. The document also outlines practical techniques for incorporating UX into business strategies, such as engaging in open dialogue with customers, continuous testing, prototyping, and refining products to meet evolving user expectations.