Qrblox author
Sara
Sara writes practical, source-backed guides about QR code history, safety, design, campaigns, and business use cases.
Articles by Sara
- 10 Types of QR and 2D Codes Explained A plain-language comparison of QR Code, Micro QR, rMQR, SQRC, FrameQR, Data Matrix, PDF417, Aztec, MaxiCode, and GS1 2D codes.
- 12 QR Code Mistakes That Kill Scan Rates Twelve QR campaign failures—from weak calls to action and tiny print to glare, broken links, poor mobile pages, and missing attribution.
- 15 Creative QR Code Designs That Still Scan Creative QR design ideas that preserve contrast, quiet zones, finder patterns, error correction, and real-world scannability.
- 17 Places to Put a QR Code The best physical and digital QR code placements, plus the distance, surface, dwell-time, and context checks that improve scan rates.
- 20 Real QR Code Campaign Examples Twenty real-world QR and 2D-code campaigns across television, packaging, retail, restaurants, events, travel, museums, fundraising, and product traceability.
- 21 QR Code Uses for Small Businesses Practical QR code ideas for reviews, bookings, payments, loyalty, product support, hiring, inventory, and measurable local marketing.
- 25 Things You Can Put in a QR Code Twenty-five useful QR code payloads, from websites and Wi-Fi to product manuals, payments, surveys, tickets, and dynamic smart pages.
- 7 Ways Restaurants Can Use QR Codes Beyond Menus Seven restaurant QR uses for Wi-Fi, reservations, ordering, payment, allergen details, reviews, loyalty, events, catering, and takeout reorders.
- 9 QR Code Scams and Warning Signs How quishing, sticker overlays, fake payment pages, login traps, prize surveys, and malicious app downloads work—and how to verify a QR code.
- The History of QR Codes: From DENSO WAVE to Everyday Life The documented history of QR codes: the two-person DENSO WAVE team, Masahiro Hara, the 1994 release, open specifications, standards, camera phones, and modern uses.