Who would have expected the mighty Walmart to face a retail challenger in the U.S.? Enter Amazon, which has become a household name (and presence) throughout the country with its indispensable shipping and media services. In order to stand tall among competition, Walmart is resorting to some radical changes that not only take it into the future, but perhaps beyond. Watch as Walmart enhances the shopping experience with artificial intelligence. Amazon might not be able to compete until it opens a big-box store of its own!