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Among the four competitiveness factors in the yearbook, China ranked second in "economic performance." China also topped the three sub-indices of "domestic economy", "employment" and "labor market."

Amazon’s impending arrival jump-started the local real estate market in Virginia, making Alexandria and Arlington the most competitive housing markets in the nation, according to an August report from Redfin. Inventory is plummeting and prices are rising rapidly, as much as 0,000 over the last year, according to another study from Realtor.com.

Amazon’s work in autonomous vehicles isn’t in the media spotlight the way its drone program is. At the end of 2016, Amazon began deploying delivery drones in the U.K. through its Amazon Prime Air initiative. As part of that program, Amazon has also leased a fleet of 40 branded airplanes. The company?bought thousands of truck trailers and even filed a patent for a system that would allow drones to hitch rides on trucks or buses.

Amazon’s cloud business may get much of the attention for bolstering the company’s bottom line. But an emerging new advertising arm of Amazon is also fueling record profits for the Seattle tech giant.

Amazon’s billionaire founder, Jeff Bezos, played host to Defense Secretary James Mattis today during the Pentagon chief’s swing through high-tech hot spots (and military facilities) on the West Coast.