US vs International Mobile commerce

Japan is showing big numbers, conversion rates on mobile are over 4 times higher than those in the US. China also saw huge gains, on Singles Day in November 2015 Alibaba received 69% of its $14.3 billion worth of orders from a mobile device. The approximately $10 billion figure is more than double the total online sales the United States saw on Black Friday. 

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Refer the international section for more details