Walmart has launched several new artificial intelligence (AI) tools designed to help customers with their holiday shopping. The tools are now available on the retailer’s app and website, according to a Friday (Oct. 31) press release. The Walmart app now includes an In-Store Savings feature that displays all the items that are on sale at a specified location; an enhanced search feature for in-store use that shows whether an item is in stock and where it is located; and a feature that allows ...