Q Read case study "Who's The World's Top Retailer? Walmart and Amazon Duke It Out" in chapter 3 of your textbook. Offer your thoughts and comments on the reading. Include your "describe and discuss, compare and contrast, the advantages and disadvantages" for their utilization of information systems to meet their mission, purpose, gorals, and objectives. Response Guidelines Read the posts of your peers and respond to two (minimum), expanding on the concepts covered in their initial post. The quantity and quality of your posts will determine the value of the group's learning experience. Provide a substantive and appropriate response. A suggested minimum of 300 words for the initial posting is helpful. And a minimum of 150 words for the replies is suggested.