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Singapore, along with Taiwan, South Korea and China, was quick to embrace technology to map the coronavirus outbreak early on with contact tracing, robots and drones. Now, countries and businesses are mandating technologies as people return to work and begin to travel, with apps, scanners, check-in systems and so-called immunity passports. These are particularly needed in big cities that tend to be more densely populated, with more points of contact for the population, ranging from public transit to bars and restaurants.
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