The universal product code, or UPC, is a bar code that typically has 12 digits and is usually found on the back or bottom of perishable and non-perishable products. To claim a refund for a defective ...

A universal product code consists of a unique set of numbers that identify a product. GSI, the only authorized dealer of UPCs in the United States, indicates that a UPC can be programmed with data -- ...

The first modern barcode was scanned 50 years ago this summer—on a 10-pack of chewing gum in a grocery store in Troy, Ohio. Fifty is ancient for most technologies, but barcodes are still going strong.

Much has been written and debated about the recently approved changes in New York's bottle-return law. The provision getting most attention is the change that adds the 5-cent deposit to bottled water ...