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Amid proliferation of cryptocurrencies and other new forms of store of value, central banks around the world have been cautious so far in developing a digital currency of their own. They have been sticking to their traditional mandates to use monetary policy to foster employment, ensure price stability, and prevent financial risks.

Amazon’s experiment is likely to attract people comfortable giving up some privacy to experience something new. But if this is the future of physical retail, what does the company say to people who are uneasy about having their activities in the real world tracked so closely by a computer system?

Among them, 484 people have been discharged from hospitals, 52 are still in hospital and three have died.

Among the passengers, 325,000 people have entered Wuhan by train, air and bus, while 336,000 people have left. The number of urban public transport passengers has reached 5.08 million, according to the city's transport department.

Americans are heading to polling stations across the country on Tuesday for Election Day voting in the 2020 elections, including presidential, congressional and gubernatorial races. Many are worried by the reality of an increasingly divided nation suffering from bitter partisan fights, violent racial conflicts and worsening social injustice.