The barcode is one of the quietest revolutions in commercial history: a 1974 pack of chewing gum in a Troy, Ohio supermarket became the first retail item scanned by UPC, and within a generation the stripes were on essentially everything sold. Understanding why that system won explains why its successor looks the way it does.
What the stripes actually solved
Checkout was the bottleneck: manual price entry was slow and error-prone, and inventory was a guess. The UPC, and the EAN that internationalized it under what became GS1, standardized a machine-readable identity cheap enough to print on anything. The genius was institutional as much as technical: one numbering authority, one symbol spec, adopted by manufacturers and retailers together, so any product scanned at any till. Fifty years of supply-chain software has been built on that foundation, all of it keyed to the GTIN.
Why the successor keeps the number and changes the carrier
The pressures of modern commerce, recall precision, expiry-aware selling, regulated product data, consumer engagement, item-level authenticity, all need payloads the stripes cannot hold. The industry's answer, 2D symbols carrying GS1 Digital Link, is deliberately conservative: the same GTIN, the same GS1 governance, now written inside a URL so the identity works at the till and on the web simultaneously. It is an upgrade to the carrier, not a revolution against the system, which is exactly why it can succeed the way 1974 did.
The transition we are inside
Sunrise 2027 is the coordination point: checkouts gain 2D reading, packs go dual-marked, and the long coexistence begins, the same pattern as 1974's rollout, where registers and packs upgraded in overlapping waves. The stripes will fade from retail eventually, but the number inside them never will; it just moved into a code that can also answer questions.
The lesson for brands
The winners of the first barcode era were simply the ones who adopted the standard early and let the infrastructure compound. The 2D era is offering the same trade at lower cost: identity you already own, carriers that cost the same ink, and infrastructure that is now free. History says take it.
Common questions
When was the barcode first scanned in a store?
June 26, 1974: a pack of Wrigley's gum in Troy, Ohio, the first retail scan of a UPC.
Why did the linear barcode win in the first place?
It solved checkout: one cheap, printable, machine-readable identity standard adopted industry-wide, cutting queues and unlocking inventory data.
Why change a system that works?
Because commerce now needs what stripes cannot carry: batch, serial, expiry and a web address. The 2D code extends the same GTIN system rather than replacing it.
Will the stripes ever disappear entirely?
Eventually at retail, after 2D reading is universal; the transition is measured in years, with dual-marked packs as the bridge.