Walmart is known for offering convenience and savings, but what about making the shopping process itself quicker? That’s where Walmart’s Scan & Go feature comes in. Scan & Go is designed to streamline ...

March 20 (Reuters) - Wal-Mart Stores Inc said it is tripling the number of U.S. stores in a pilot program that lets shoppers scan items with their iPhones and pay at self-checkout counters. Walmart's ...

Once upon a time, there were three main retail business models, and companies could become very successful by dominating just one of them. Over time, however, the business models have merged.