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What Is a QR Code

What Is a QR Code

This article explains what a QR code is and how the technology works from a technical standpoint. It covers the history of the QR code's invention in Japan in 1994, the principle behind encoding and scanning information, its advantages over traditional barcodes, and practical use cases — from payments and marketing to logistics and ticketing.

18 July 2026 · 7 minutes read · 3 views

#Marketing #Qr codes #Technologies