Employees assemble cardboard boxes at an Amazon.com Inc. fulfilment center during the online retailer's Prime Day sales promotion day in Koblenz, Germany, on Monday, July 15, 2019. Amazon is tapping high-profile actors, athletes and social-media sensations like never before to maintain buzz around its Prime Day summer sale, now in its fifth year and battling increasing competition from rivals. Photographer: Krisztian Bocsi/Bloomberg via Getty Images
