Every few years, the small town of Troy in Miami County, Ohio celebrates an historic occasion that for a few giddy weeks puts it on the world map of the grocery trade. At the time, National Cash ...

The obituaries lauding the accomplishments of Norman Joseph Woodland, co-inventor of the bar code, also offer a cold rebuke of the man who claimed the same thing about himself: Jerome Lemelson. By ...

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 ...

Forty years ago, a group of American grocery executives got together and decided to upend the global economy with a series of black lines. Not that they knew at the time just how enmeshed the bar code ...