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QR codes are used everywhere

(chinadaily.com.cn) Updated: 2014-08-05 16:10

QR codes are used everywhere

A restroom user uses his phone to scan a QR code for toliet paper on July 14, 2014, in Hangzhou, East China's Zhejiang province. [Photo/CFP]

QR codes are used everywhere QR codes are used everywhere
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