Platform as a Service.... Oracle Java Cloud

I have been through this very interesting presentation on Oracle Java Cloud PaaS solution , and I am looking forward to reading the book from Harshad Oak :

I am very persuaded that 10 years from now the mere idea of running your own on-premise data-center will be considered as madness.... well let's say 20 years from now...experience shows that industry takes time to make large paradigm shifts...