The future of grocery shopping is all about data By: MarketWatch October 24, 2017 at 05:01 AM EDT Grocers imagine the store of the future: customized ads, smart shelves, sensors that deploy cashiers Read More >> Related Stocks: Amazon.com Costco Wholesale Genl Mills Kroger Co PepsiCo Procter & Gamble Wal-Mart Stores, Inc.