ECOM 210 Fundamentals of E-CommerceWeek 2Week 2 DQ 1Reread the Walmart case in Chapter 3 and then compare walmart.com with amazon.com. What features do the sites have in common? Which are unique to walmart.com? To amazon.com?Week 2 DQ 2What are Amazon.comâs critical success factors? Is its decision not to limit its sales to books, music, and movies, but to offer a much broader selection of items, a good marketing strategy? With the broader selection, do you think the company will dilute its brand or extend the value proposition to its customers?