In December 2014, Amazon launched Prime Now in parts of Manhattan—and has since expanded to cities across the United States and to many European cities including London, Berlin, Paris, Milan and Madrid.

Available to Prime members through a mobile app, Prime Now means customers can get tens of thousands of products like paper towels, shampoo, books, toys, big-screen televisions and batteries delivered right to their door in an hour or less.

Prime Now relies on Amazon's growing network of fulfillment centers, which use high-end technology to speed up delivery times for customers.

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