We use many types of bar codes in our everyday life. Nearly everything we buy has a UPC code printed on it. The CrackBerry app store features QR codes in the description for every app. Magazines and ...

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 ...

As shoppers pack stores in search of Black Friday deals, a North Carolina born invention keeps the checkout lines moving: the Universal Product Code. Each beep of the scanner can be traced back to ...