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Amazon’s sites topped 282 million unique visitors in June, more than 20 percent of the global Internet audience, according to the comScore data. Among retail and auction sites, that was well ahead of eBay, which came in at No. 2 for the month with 224 million unique visitors, or 16.2 percent of Internet users.

Among the doctorate recipients in engineering in 2015, only 45 percent were US citizens and permanent residents, and nearly 55 percent went to temporary visa holders; similarly in mathematics and computer science, US citizens and permanent residents got only 43 percent and more than 50 percent were obtained by foreign students, according to data from the National Science Foundation.

Among others, Ford has acquired Argo AI, PSA is working with NuTonomy and Audi is partnering with Nvidia.

American consumers spent 4.2 billion on furniture in 2018, up 6.7 percent from the previous year, according to the US Bureau of Economic Analysis (BEA). 

Among the collections that include items from the palace are the Royal Engineers Museum's in Chatham, which Tythacott said holds the largest collection of material from the Old Summer Palace.