The QR code (short for Quick Response code) was invented in 1994 by Denso Wave, a former subsidiary of Toyota, as a means of efficiently tracking vehicles and parts during the manufacturing process.

The promotion will run from July 1 through August 31. ?This is the first time the USPS has ever used the incentive for customers to use 2D bar codes,? said Mike Wehrs, CEO of Scanbuy, New York. ?As a ...