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2-3 Why are systems for collaboration and social business so important, and what technologies do they use? Define collaboration and social business and explain why they have become so important in business today. List and describe the business benefits of collaboration and social business. Describe a supportive organizational culture and business processes for collaboration. List and describe the various types of col- laboration and social business tools. 2-4 What is the role of the information systems function in a business? Describe how the information systems function supports a business. Compare the roles played by programmers, systems analysts, information systems managers, the chief information officer (CIO), the chief security officer (CSO), the chief data officer (CDO), and the chief knowledge officer (CKO). Review Questions: 3-1 Which features of organizations do managers need to know about to build and use PC information systems successfully? Define an organization and compare the technical definition of organizations with the behavioral definition. Identify and describe the features of orga nizations that help explain differences in organizations' use of information systems. Explain why there is considerable organi- zational resistance to the introduction of information systems Describe the impact of the Internet and dis- ruptive technologies on organizations. 3-3 How do Porter's competitive forces model, the value chain model, synergies, core competencies, and network economics help companies develop competitive strategies using information systems? Define Porter's competitive forces model and explain how it works. Describe what the competitive forces model explains about competitive advantage. List and describe four competitive strate- gies enabled by information systems that firms can pursue. Describe how information systems can sup- port each of these competitive strategies and give examples Explain why aligning IT with business objeo tives is essential for strategic use of systems. Define and describe the value chain model. Explain how the value chain model can be used to identify opportunities for informa- tion systems