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QR codes are used everywhere

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

QR codes are used everywhere

A woman scans a QR code on a tree to get more information in a park in Zhengzhou, Central China's Henan province on May 14, 2014. [Photo/IC]

QR codes are used everywhere QR codes are used everywhere
Pouring it on Children who live, study in agricultual markets 

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