In the pursuit of savings, some shoppers become violent. Here's where you're most likely to find rowdy Black Friday bargain hunters, as well as tips for staying safe.
Stores that sell food, from giant supermarkets to convenience stores, need to be sure theyre keeping customers and staff safe while adding products and services.
With the blockchain, Wal-Mart will be able to obtain crucial data from a single receipt, including suppliers, details on how and where food was grown and who inspected it.