Chapter 7 discusses the importance of continuity in maintaining a competitive advantage, emphasizing that it builds a company's brand, reputation, and customer relationships over time. It highlights examples like In-N-Out Burger and Nestlé to illustrate how continuity can reinforce identity and create unique capabilities, while also noting that change may be necessary as customer needs evolve and innovations arise. Companies like Southwest Airlines and Dell demonstrate how continuous strategy adaptation and maintaining core values can lead to sustained success.