How has Expedia Group responded to the design challenges? (a) Is it centralized or decentralized? How do you know? (b) Is it highly differentiated? Can you identify any integrating mechanisms used by Expedia Group? What is the match between the complexity of differentiation and the complexity of the integrating mechanisms that are used? (c) Is behavior in the organization very standardized, or does mutual adjustment play an important role in coordinating people and activities? What can you tell about the level of formalization by looking at the number and kinds of rules the organization uses? How important is socialization in your organization?