In urban China, smartphone payments are the way to go

A customer scans a QR code with the WeChat app to pay for dinner in Shanghai, July 11, 2017. China is systematically and rapidly doing away with paper money and coins, turning instead to smartphone payment options. (Yuyang Liu/The New York Times)

Almost everyone in major Chinese cities is using a smartphone to pay for just about everything. Cash is an almost remote option.

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