Barcode technology makes real-time data collection possible. Despite the multitude of barcodes in existence today, universal product codes remain among the most useful to a small business. Because UPC ...

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 ...

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 ...