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 -- ...

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 ...

Some technologies you use every day, but without thinking about them. The bar code is one of these: everything you buy has one of these black and white striped codes on it. We've all seen how they are ...