1. What is Porter's Five Competitive Forces Model? How has IT and the Internet changed the balance of power among these competitive forces? Using an industry of your choice, give examples of companies that represent the five competitive forces? 2. What is the Value Chain Model? Can you give some examples of primary and support activities? 3. Have you seen any industry dramatically changed by IT and the Internet? How? 4. What transformations have Yahoo! and Exite been through? What is the main message from the Rindova and Rotha (2001) article? 5. What have you learned by reading these articles?