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 ...

UPC barcodes contain key information that can make small businesses more efficient and easier to manage. Many, or all, of the products featured on this page are from our advertising partners who ...

Universal product codes -- UPCs -- are the 12-digit numbers that appear under the barcodes on many U.S. products. They are given out by GS1 US, a nonprofit group that sets standards for international ...

Product bar codes were originally developed to help with inventory tracking and speed up checkout at grocery stores. The relative speed and ease of use of the bar code system, or Universal Product ...