LIVING THE HI-TECH LIFE
Jun 09, 2022
4 minutes
By Lu Yan
Copyedited by Elsbeth van Paridon
Nearby a nucleic acid testing site in Beijing’s Haidian District, you will spot a roadside sign featuring a QR code. Scanning it with their smartphones, people can see how many testing sites are in the vicinity, their respective locations and operating hours, the number of people waiting in line at each site at that exact moment, and the estimated waiting time.
The QR code is one of the functions of the area’s official account on WeChat, one of China’s most popular super apps. It was developed by the Institute of Automation under the
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