The barcode that revolutionised supermarket checkout and facilitated retail globalisation is turning 50. However, its days may be numbered as it competes with the more recent QR code, the information-filled squares used in smartphones
PARIS: The patch of irregular vertical lines that revolutionized checking out at the supermarket and facilitated the globalization of retail is turning 50. But as the barcode celebrates its birthday on Monday, its days might be numbered as it faces competition from the younger QR code, the information-filled squares used in smartphones. The trademark beep as a product is