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Amazon’s other Kindle e-readers include the basic 6-inch Kindle (.99), Paperwhite (9.99) and Voyage (9.99). Some of those models can be made waterproof with third-party covers or other add-ons, but the new version of the Oasis has that feature from the get-go.

Among the problems inherent to closed app stores: A loss of control for developers, and the inability for users to use apps across different environments and devices.

Amazon’s marketplace for third-party sellers has become a huge part of its business, making up nearly 60 percent of gross merchandise sales last year. However, a new investigation by The Wall Street Journal shows that thousands of unsafe products have made their way onto the marketplace, the latest example of a tech giant struggling to police the platform it created.

Among the cases, 21,933 of the cases involved online fraud, 5,797 cases involved online gambling, and 2,868 cases concerned the abuse of personal information, said Wang Yingwei, a senior official with the ministry's cybersecurity division, at a press conference.

American tech companies aren't the only beneficiaries of the program. IT recruitment firms are criticized for flooding the lottery with applications, earning a disproportionately high number of visas for workers who are then contracted out to other companies.