The Retail Upgrade: Why 4-Color Electronic Shelf Labels Are Replacing 3-Color
102025-11Walk into any modern grocery, electronics, or DIY store, and you'll see them: those digital price tags on the shelves, known as Electronic Shelf Labels (ESLs). For years, the standard was a three-color display—typically black, red, and white. But a quiet revolution is underway. A growing wave of retailers is making the strategic switch to four-colo...
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