Bad comparison: - on-demand vs upfront (AWS has upfront with slimilar cost reduction) - scalable vs. fixed (when you stop using it on AWS you also stop paying)

Bad comparison: - on-demand vs upfront (AWS has upfront with slimilar cost reduction) - scalable vs. fixed (when you stop using it on AWS you also stop paying) Then there is all of the functionality and integration everyone else already has touched on.