Most QR codes do not expire. What usually expires is the service sitting between the code and the...
Most QR codes do not expire.
What usually expires is the service sitting between the code and the destination.
That difference matters a lot when the QR code is going on a business card, poster, menu, invoice, or product label. Reprinting because a redirect service was turned off is a very avoidable problem.
Start with the destination you control
For a long-lived printed QR code, the safest setup is simple:
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A QR code can look perfect in your browser and still fail on a printed flyer behind glass, on a...
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