According to Gartner's, "Magic Quadrant for Cloud Infrastructure as a Service" report, Amazon Web Services has five times the compute capacity of its closest 14 cloud competitors combined. That is pretty staggering when thinking about scalability and enabling brand success.
"Amazon.com has long been the dominant e-commerce operation. In a similar, all-inclusive way, AWS rules the cloud by offering every service imaginable and building out very aggressively.
It's tough to imagine what might seriously challenge that reign."