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As some countries continue to grapple with the novel coronavirus and with fears of a second wave, Mitter believes a variety of economic factors, ranging from travel to supply chains, will have to be managed more carefully.

As traditional means haven't always been successful in deterring troublemakers in the past four months, "it is a welcome addition to the army of laws which the police have at their disposal in seeking to maintain law and order and dealing with those people who are seeking to disrupt our lives," Cross said.

As volunteers, the instructors are meant to help residents manage their trash, especially in the kitchen, which accounts for 50 percent of all household waste.

As the dust settles on the busy year, Amazon just released its annual 10-K filing with U.S. Securities and Exchange Commission. The document is primarily a financial summary and recap of the year’s events. But shifts in language also shed light on how Amazon is changing, and what it sees as top priorities and risks going forward. For a company that its keeps plans very close to the vest, these kinds of disclosures are one of few available tools to analyze its thought process — in effect, to attempt to read Amazon’s mind.

As the headquarters of internet giant Alibaba, Hangzhou has implemented the Alibaba City Brain Project using AI algorithms to monitor and control traffic signals and street cameras.