Add Yahoo as a preferred source to see more of our stories on Google. At a grocery store in Dorchester, a “worst case scenario” took place at the self-checkout machines. “A member was intervening when ...

Self-checkout was sold as a frictionless shortcut, yet a growing body of data shows it is riddled with traps that most shoppers never see coming. From quiet "oops" moments that count as theft to ...

Checkout line was once the most predictable activity of an outing to Walmart: one chooses a line, checks out, and goes. That ...