According to E-Commerce 2019, Business, Technology, and Society, Define

Chapter 1

• Formal definition of e-commerce, page 9
• Definition and example of e-business, page 9
• Digital commerce, page 9
• Information asymmetry, page 17
• Unique features of e-commerce technology, pages 17-20, fig 1.4, study all features, multiple questions.
• Social technology, page 21
• Definition of transaction cost, page 18
• Menu costs, page 17
• Marketplace, page 18
• Mobile e-commerce, pages 24-25
• Social e-commerce, pages 25-26
• B2C e-commerce, pages 22-23
• Examples of major types of e-commerce, table 1.3, page 27
• C2C e-commerce, page 24
• Web 2.0, page 31
• E-commerce first mover, examples of success and failure, pages 29-30
• Webrooming, page 35
• Disintermediation, page 29
• Friction free commerce, page 29
• Figure 1.11, page 38