Amazon, eBay, Walmart see more mobile-only visits

The days of the desktop are fading fast as more and more users access retail sites via mobile devices. Mobile-only users now comprise up to one-third of the total U.S. digital audience for Amazon (NASDAQ: AMZN), Walmart (NYSE:WMT) and eBay (NASDAQ:EBAY), according to a new report from Business Insider. In fact, some Amazon shoppers never even see the desktop version of the site. Story