Ever Really Look at a Pack of Gum?

Ever Really Look at a Pack of Gum?

In June of 1974, a store clerk scanned a bar code for the first time in history—on a pack of gum. Forty-one years later, bar codes rank as a necessity in business. How could big stores manage the thousands of unique products lining shelves today? Bar codes gave big...

Have you heard of QR codes?

Recently, to celebrate Internet Week 2010, the City of New York outfitted Times Square with giant QR codes. Times Square visitors could use their smartphone cameras to photograph and scan the QR codes — which were featured in an animated sequence on the Thomson...