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 ...

It survived all of that to mark its 30th year this month. Happy birthday to the Universal Product Code. The UPC, the most common version of the so-called bar code, wasn't as warmly embraced or as ...

While the world has changed a lot since the mid-1970s, the Universal Product Code (UPC)—what most people think of when they hear the word “barcode”—hasn’t. The code first scanned on a ...