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Scanning through life with QR codes

chinadaily.com.cn | Updated: 2018-09-15 06:30
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A QR code stuck on a man's nail is seen in Iruma city, Saitama prefecture, in Tokyo, Japan, on Jan 25, 2017. Since the end of the 2016 the Iruma city has supplied tiny waterproof QR code stickers to 12 elderly person at risk of wandering away from their homes and getting lost. [Photo/VCG]
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