The rise of the QR code and how it has forever changed China’s social habits | South China Morning Post

http://www.scmp.com/news/china/society/article/2095576/rise-qr-code-and-how-it-has-forever-changed-chinas-social-habits

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First saved: 2017-May-28 (Sun)
Last checked: 2017-May-28 (Sun), response 200