(CNBC) — Mobile pay is taking China by storm and changing daily commerce.
The transformation of a society limited to bills denominated in 100 yuan ($15) or less into one where QR payment codes abound was by far the biggest change in mainland China since my last visit four years ago.
When eating out or shopping with local friends, they paid by scanning a QR code on the restaurant table or by showing a similar code on their smartphones to the store clerk. A spices shop, museum souvenir store and seller of traditiona
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