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A comment on In Urban China, Cash Is Rapidly Becoming Obsolete. Parent comment

Re:In Urban China, Cash Is Rapidly Becoming Obsolete by seanmcdirmid on Monday July 17, 2017 @09:07AM (#14788105)
I agree that QR codes killer feature is that they are extremely cheap to deploy, which is why they've caught on in china. But they aren't better than NFC, even if cheaper.
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