Source: Tech – South China Morning PostWhen Beijing resident William Wei tried to go for a run with his wife at the Olympic Green last month, he could not enter the park. He was scanning the health QR code at the entrance – a routine measure to ensure all entrants are coronavirus-free – when a pop-up appeared on his phone stating he might have crossed paths with someone at risk of catching the virus, or that he had possibly travelled through a risky area. It recommended he check in at once with his community staff for “risk…Read More