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An Amazon spokeswoman declined to comment for this story.
Among those potentially affected could be public-interest nonprofits eager to reach an audience larger than their official followers, challengers to incumbent officeholders, and-obviously-political consultants who make a living placing ad buys for their candidates.
An Audi Q8 attracts visitors' attention at the Guangzhou auto show last year. [Photo by Li Fusheng/China Daily]
An Amazon billboard in New York City. (GeekWire File Photo / Taylor Soper)
An array is a collection of telescopes and instruments spread over a wide area, working in concert with one another. The SKA is an international effort by 20 countries, including China, to build the world's largest radio telescope using arrays.
