How a drawing in the sand revolutionized the modern global supply chain

History · Published 7 October 2026 Swipe more like this →

In short: Long before digital scanners existed, Joe Woodland was sketching patterns in the sand of Miami Beach. His vision for a universal code would eventually transform supermarket queues and complex trade networks, turning a simple idea into the essential Universal Product Code that powers our modern world.

The concept of the barcode began with a problem of efficiency. A supermarket manager, frustrated by slow checkout queues and the logistical burden of stocktaking, sought a solution to protect his profits. While his plea was initially ignored by a dean at the Drexel Institute of Technology, it caught the ear of postgraduate student Bernard "Bob" Silver. Silver shared the idea with Joe Woodland, a 1947 Drexel graduate, who eventually envisioned a system that could be printed on various goods. This specific request for efficiency originated from a manager worried about his bottom line. Silver's curiosity eventually bridged the gap between academic theory and commercial application.

Woodland's inspiration was famously born on Miami Beach, where he drew the first iterations of the code in the sand. However, the technology required to realize this vision took decades to catch up. The breakthrough finally arrived in the small town of Troy, Ohio, a hub for grocery trade equipment involving the National Cash Register company and the Hobart Corporation. This region became a vital centre for the industry. Both National Cash Register and the Hobart Corporation were headquartered in this area.

The dawn of the UPC era occurred on June 26, 1974, at Marsh Supermarket in Troy. In a ceremonial event, the first item was scanned: a multi-pack of Wrigley’s Juicy Fruit chewing gum. This choice was deliberate, as there had been significant doubt regarding whether a code could be printed on such a small surface. The success of this scan proved that the Universal Product Code could handle even the smallest consumer goods, forever changing how the world manages inventory and commerce. The scanning process was performed by cashier Sharon Buchanan. The first customer to use the system was Clyde Dawson.

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