We have no idea how well Microsoft's and Google's ambitions to challenge AWS are going

On Thursday, Microsoft boasted that its “commercial cloud” annual revenue run rate currently exceeds $10 billion. Some reporters, given little other good news in Microsoft’s latest earnings statement, pointed to that statistic as a bright spot. The problem is that this cloud figure is abstract; it doesn’t represent actual revenue, and the term “commercial cloud” is frankly nebulous. […]