As usual, Google marks a birthday in its own way.
Today is the 57th birthday of the development of the bar code that one finds now on all packing in the world, or almost. Its dominance is now threatened by the RFID chips that should replace it in the near future, a moment awaited with anguish by the cashiers of supermarket since it should be possible to record ones purchases simply by passing the shopping cart through a gantry.
