Q1: Identify three online sources of content that exemplify one of the three digital content revenue models (subscription, a la carte, and advertising-supported) discussed in the chapter. Describe how each site works, and how it generates revenue. Describe how each site provides value to the consumer. Which type of revenue model do you prefer, and why? Q2: List 3 important concepts of E-Commerece you have learned in this class and explain why they are important ?