Electronic Commerce Prentice Hall © 2006 2 Learning Objectives 1. Describe the B2B field. 2. Describe the major types of B2B models. 3. Discuss the characteristics of the sell-side marketplace, including auctions. 4. Describe the sell-side intermediary models. 5. Describe the characteristics of the buy-side marketplace and e-procurement. 6. Explain how reverse auctions work in B2B