China created a smartphone tool to trace and track the movement of potential coronavirus patients. Now, plans to make that kind of health tracking permanent are stirring concerns in a country where personal privacy was once said to be an afterthought.
Anger spread across Chinese social media sites over the weekend following an announcement that officials in the eastern city of Hangzhou could create a permanent version of a smartphone-based health-rating system developed to fight Covid-19. The news led some internet users to…
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