Universal Product Code apps for the iPhone let shoppers find additional information and perform price comparisons on products while inside a store. They also let allow an iPhone to serve as a front ...

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 ...