Get a flaming cake out and take a deep breath, party people, because it’s time to feel old: The Universal Product Code was first put into use only 40 years ago, when a $0.67 10-pack of Wrigley’s gum was scanned by a cashier at an Ohio grocery store on June 26, 1974. Yes, bar codes have only been on the things we buy for 40 years. [More]
