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Amazon’s?Dash Replenishment Service?(DRS)?leverages sensors in a wide range of devices to detect when new supplies need to be ordered, triggering an automatic purchase and order from Amazon,?based on the user’s settings.

Amazon’s Prime Day is back again for its fourth installment.

Amazon’s big push in recent years to speed up delivery by building out a logistics network is meant to further strengthen its hold on the online retail throne. Amazon has continued to build warehouses throughout the U.S., and the report cites a Wall Street Journal statistic saying 44 percent of people in the U.S. now live within 20 miles of an Amazon warehouse, compared to just 5 percent in 2015.

Among all cardiovascular diseases, coronary heart disease, also known as coronary artery disease, is the deadliest worldwide, and angina is its typical symptom, which will cause metabolic disorder and deficient cardiac energy supply. [Photo/IC]

Among 2,822 Peking University graduates who signed contracts with employers last year, 1,229 chose to stay in Beijing, while 582, or about 21 percent, chose Guangdong, Guangzhou-based Yangcheng Evening News reported. The share of the university's Guangdong-bound graduates was similar to the previous two years.