The UPC, the most common version of the so-called bar code, wasn't as warmly embraced or as breathtaking as some emerging technologies, but its impact on retailing has been enormous.

The first bar code was used in 1974 to scan in a pack of gum. Now they're used for everything from flight check-ins to patient records and warehouse inventory. They've even been used to track bees ...

Accessing a UPC Database From an iPhone. Universal Product Code apps for the iPhone let shoppers find additional information and perform price comparisons on products while inside a store. They ...

How to Read Numbers on UPC Barcodes. Barcode technology makes real-time data collection possible. Despite the multitude of barcodes in existence today, universal product codes remain among the ...

LITTLE ROCK, Arkansas — The very technology that revolutionized retail checkout — the bar code — is now being subverted by anti-capitalist protesters who fancy themselves cyberpranksters ...

This code showed up on UPC database last night and, well, let's just say that it's time to start saving your pennies for this $1300 wonder.UPDATE: Meanwhile, a UPC for the Canon EOS-9D also popped ...