deren, you have been nodding your head.hat is your take on the battleground that is same-day, one-day shipping? it was only a few years ago when two-day shipping was a big deal. deren: i don't think amazon really cares whether it is driving margin long-term. they cared about that a year ago when they saw results that showed e-commerce was highly profitable. they invested in one day shipping because they know the next battleground is not holiday purchases but the things you need every day. groceries, stuff you buy at the pharmacy. those kind of products are the things that one-day shipping really satisfies. i think with walmart and other brick-and-mortar retailers investing in buy online, pick up in-store, amazon had to match that. they had to come out with something that trumped even pick up in the store by offering one-day shipping. the more products they offer that on, the more of the wallet of the consumer they are likely to get. taylor: you mentioned other retailers. we seen a divergence with target and walmart in many

deren: i don't think amazon really cares whether it is driving margin long-term. they cared about a year ago when they sell results that showed e-commerce was highly profitable. they invested in one day shipping because they know the next battleground is the things you need every day. groceries, stuff you buy at the pharmacy. those are the products that one-day shipping really satisfies. ,ith a and other retailers investing in buy online, pick up in-store, amazon had to match that. they had to have something that trumps even pick up in the store by offering one-day shipping. the more products they offer that on, the more of the wallet of the consumer they are likely to get. taylor: you mentioned other retailers. we seen a divergence with target and walmart leading amazon when it comes to the grocery business. other retailers, macy's, really struggling. where do you see amazon being a leader versus a lag or? deren: i think there's a couple areas. the two you pointed out are the biggest risk. where they are becoming a leader is offering other products, advertising,