Let's get down to the nitty gritty in this discussion.
Of course, before we get into the nitty gritty, you obviously want to know who Mike Horn is?
If you want the hard Numbers, and nitty gritty details, you'll have to go get your own copy of Science.
Or to say that another way, we're all making the middleware invisible, so application developers just write business logic and let the container deal with the nitty gritty of middleware.