History of the Barcode from Sand to Supermarkets

The history of the barcode from sand to supermarkets began in 1948 when Norman Joseph Woodland sketched Morse code-inspired lines in the Florida sand. Patented in 1952 and standardized via the IBM UPC in 1973, it revolutionized global retail. As of May 2026, the industry is transitioning toward 2D QR codes to meet modern data demands.

The Next Frontier: Why the History of the Barcode from Sand to Supermarkets is Entering a New Era in 2026

A barcode is essentially a machine-readable way to store data, acting as a universal ID for products. The technology works by translating the different widths and spacings of parallel lines (1D) or patterns of squares and dots (2D) into binary code that computers can understand. According to GS1, this “silent” technology now handles over 10 billion scans every single day, managing everything from patient safety in hospitals to global shipping logistics.

Right now, in May 2026, we are seeing the biggest change to this system since the 1970s. The world is moving away from the classic 1D Universal Product Code (UPC) toward 2D barcodes, specifically QR codes. This isn’t just a design change; it’s about data. While old-school 1D codes usually just identify the product and its maker, 2D codes can link to websites, batch numbers, and even environmental impact data.

The 2027 Sunrise: Why Retailers are Switching to 2D Codes Now

The industry is currently in a sprint toward “GS1 Sunrise 2027.” This is a global effort to make sure every store checkout system can read 2D barcodes by 2027. Tesco is already ahead of the curve. In April 2026, the UK supermarket giant started swapping traditional barcodes for QR codes on its own-brand sausages and fresh produce. For shoppers, this means they can scan a pack with a phone to check for allergens or find a recipe. For the store, it means better tracking of expiration dates to keep food fresh.

The Origin Story: How Norman Joseph Woodland and Bernard Silver Conceived the Idea

The whole idea started in 1948 at the Drexel Institute of Technology in Philadelphia. A grocery store executive was asking a dean for help to automate the checkout process, and Bernard Silver happened to overhear the conversation. Silver told his friend Norman Joseph Woodland about it, and Woodland became obsessed with solving the problem.

The breakthrough happened on a beach in Miami. Woodland, who had been a Boy Scout, started thinking about Morse code. He poked his fingers into the sand and drew dots and dashes, then simply pulled them downward to create long, vertical lines. “I just extended the dots and dashes downwards and made narrow lines and wide lines out of them,” Woodland later said, as noted by Wikipedia. This “sand-drawn” sketch was the birth of the linear barcode.

Their 1952 patent (US Patent 2,612,994) actually focused on a “Bullseye” design—circles inside circles—so it could be scanned from any angle. But there was a catch: high-speed printers at the time often smeared the ink. If a circle smeared, it became unreadable. Linear designs were much tougher; if the ink smeared, the bars just got a little taller, but the width (the part that holds the data) stayed the same.

Who is George Laurer and How Did IBM Standardize the UPC?

Even with a patent in 1952, the technology sat on the shelf for decades. The powerful lights and computers needed to read the codes were just too expensive for most stores. By the early 1970s, the grocery industry finally got serious and formed a committee to pick a standard. RCA pushed for the Bullseye, but IBM had a different idea: a linear design created by George Laurer.

Laurer worked with Woodland at IBM and refined those original beach-side lines into the Universal Product Code (UPC) we see today. On April 3, 1973, the industry chose Laurer’s design because it was easier to print and worked better in the messy, fast-paced environment of a real supermarket.

The barcode’s first big day in the real world came on June 26, 1974, at 8:01 AM in Troy, Ohio. At Marsh Supermarket, a cashier named Sharon Buchanan scanned a 10-pack of Wrigley’s Juicy Fruit Gum. It cost 69 cents, and that single “beep” proved the system could handle small, everyday items, changing retail forever.

Beyond the Beep: How 1D Barcodes Compare to Modern 2D QR Codes

The main difference between 1D and 2D codes is how much information they can hold. 1D barcodes, like the one on a cereal box, are linear and usually hold only about 20 to 80 numbers. 2D QR codes, which Denso Wave created in 1994 for the car industry, use a grid pattern. This allows them to store up to 4,000 characters, including complex web links.

Usage has skyrocketed recently. In the U.S., QR code usage hit 89 million people by 2022, and that number is still climbing in 2026. These codes are now the brains behind AI-driven supply chains. As Peter Draper from Tesco explains: “Moving to QR codes will help us reduce food waste, improve stock control and unlock new digital benefits for our customers.”

How Does GS1 Manage Global Standards in 2026?

Today, a group called GS1 manages Global Trade Item Numbers (GTINs). They make sure that a barcode scanned in London means the exact same thing when scanned in New York. This global system has helped the warehouse tracking market grow toward an estimated $4.5 billion by 2033.

In 2026, these standards are helping solve environmental problems. Because 2D codes can include expiration dates, supermarkets can automatically mark down the price of food that’s about to expire, which cuts down on waste. By connecting the “Internet of Things” (IoT) with the barcode, this 75-year-old invention remains the backbone of global trade.

Conclusion

The barcode has come a long way from a simple sketch in the sand in 1948 to a global language that powers 10 billion scans a day. From Woodland’s original vision to George Laurer’s UPC standard, the technology has always found a way to adapt. As we head toward the 2027 Sunrise, the move to 2D QR codes is the next big step in making shopping more transparent and efficient. Businesses should start checking their scanners and packaging now to make sure they’re ready for 2027—a future where every product has a digital story to tell.

FAQ

Who scanned the very first barcode in history?

Sharon Buchanan, a cashier at Marsh Supermarket in Troy, Ohio, scanned the first barcode. The event took place on June 26, 1974, at 8:01 AM. The item scanned was a 10-pack of Wrigley’s Juicy Fruit chewing gum, which is now on display at the Smithsonian Institution.

Why is the retail industry switching from 1D barcodes to QR codes by 2027?

The GS1 “Sunrise 2027” initiative aims to replace 1D codes with 2D barcodes because QR codes hold significantly more data. They can include expiration dates, batch numbers, and sustainability information, which improves food safety recalls, reduces waste through better stock control, and enhances consumer engagement via smartphone scanning.

How did Morse code influence the original design of the barcode?

Inventor Norman Joseph Woodland was a Boy Scout who was proficient in Morse code. While sitting on a Miami beach in 1948, he contemplated how to represent data visually. He poked his fingers into the sand and drew the dots and dashes of Morse code, then provincial pulled them downward to create vertical lines of varying widths. This visual translation of Morse code became the fundamental logic for the bars and spaces used in barcodes today.