Learning Objectives
After reading this chapter, you will be able to:
- Describe the different types of social networks and online communities and their business models.
 - Describe the major types of auctions, their benefits and costs, how they operate, when to use them, and the potential for auction abuse and fraud.
 - Describe the major types of Internet portals and their business models.
 
Copyright © 2021 Kenneth C. Laudon and Carol G. Traver