George J. Laurer is considered the inventor of U.P.C. or Uniform Product Code, which was invented in 1973. In June 1974, the first U.P.C. scanner was installed at a Marsh's supermarket in Troy, Ohio. The first product to have a barcode included was a packet of Wrigley's Gum.
What was probably the first commercial offshore radio station in the world, a Danish station that started regular transmission on 2 August 1958?