We still don't really know how much money Microsoft makes on its Amazon cloud competitor (MSFT)

Microsoft on Tuesday announced its results for the quarter ended June 30, and it appears to be well on its way to its goal of $20 billion in cloud revenue by 2018.
The company said that its annual cloud revenue run rate was $12.1 billion.
But if you're tracking the horse race between Microsoft and Amazon in cloud computing, that's still a bit of a misleading number.
The "run rate" is calculated by taking revenue in the final month of the quarter and multiplying it by twelve,