Boxes move along a conveyor belt inside an Amazon.com Inc. fulfillment center in Robbinsville, New Jersey, U.S., on Monday, Nov. 28, 2016. In 2005, retailers coined the term 'Cyber Monday' to describe a surge in web purchases on the first work day after Thanksgiving by people who had spent the weekend browsing in stores. Now, increasing number of online shoppers, particularly those buying over their phones, are skipping the stores entirely. Photographer: David Williams/Bloomberg via Getty Images

Boxes move along a conveyor belt inside an Amazon.com Inc. fulfillment center in Robbinsville, New Jersey, U.S., on Monday, Nov. 28, 2016. In 2005, retailers coined the term 'Cyber Monday' to describe a surge in web purchases on the first work day after Thanksgiving by people who had spent the weekend browsing in stores. Now, increasing number of online shoppers, particularly those buying over their phones, are skipping the stores entirely. Photographer: David Williams/Bloomberg via Getty Images