Look closely at recent supermarket coupons, and you may see some new markings on them near the traditional bar code: sets of neat black bars stacked in two rows. The new symbols, called GS1 DataBars, ...

In the wake of 2008 product scares involving melamine-tainted pet foods, lead-tainted toys, and melamine-tainted milk products, all originating in China, consumers in the U.S. understandably became ...

LONDON – Where would we be without the lowly bar code? Standing in a long line at the checkout, most likely. Without bar codes, the cashier would be forced to manually key in product and price ...

Few objects in the world are more immediately recognizable than the bar code. After all, bar codes are all around us. They’re on the books we buy and the packages that land on our doorsteps. More than ...