It’s hard to believe the bar code is turning 50. Anyone who was a cashier in the ’80s knows how life-changing it was to scan the product instead of typing in the product category and price. Designed ...
SHARON BOLTON spotted “those funky tags” — known formally as two-dimensional bar codes — when she took her college-age daughter to catch a train at the Rensselaer rail station near Albany last week.
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