Amazon opens up about AWS revenues

CIO: Two weeks ago AWS announced its financial results and, for the first time, broke out AWS revenues. AWS, it said, achieved $4.6 billion in 2014, and will reach $6.2 billion in 2015, with a growth rate of 49 percent -- which is accelerating. Perhaps more surprising is that AWS is not a low-margin business -- it achieves around 17 percent operating margins, much higher than the overall Amazon business itself.

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