Automated teller machines started out at banks, and then began turning up at other outlets. Before you knew it, they were ubiquitous. Could self-checkout systems be following the same pattern?
Self-checkout, complete with scanners, POS terminals and payment machines, began purely as a supermarket application aimed at giving shoppers the opportunity to scan their own groceries while helping stores manage labor costs. But over the past year, the customer-service and labor-management ben