Amazon is going to enhance the availability of international shipping.
Reuters: Amazon launches new app feature targeting international shoppers
So far, some people out of the US, including me, are fond of buy items from Amazon.com. But many items have not applied to international shipping. People wanting items sold only abroad rely on an agent company managing the personal import instead of the customer.
The new scheme Amazon will introduce enables customers to choose several currencies for payment. As well, Amazon automatically calculates the duty for sending.
It is not sure whether Amazon's challenge will break the border between nations. The regulations are varied among each country. It is possible that you cannot get an item from a foreign nation because of the domestic legislation. It is unlikely Amazon will pierce the wall of the law.
On the other hand, there are several items published in the US available at Amazon.co.jp. We can buy many books and video in English in Japan. Anyway, Japan seems not the subject of this new scheme.