This is going to be a typical word for the future (irrespective of the industry/ medium in which it operates). Yes, am sure of this technology because after understanding the 50 business models that can be operated in “Fermium” environment, this is also possible.
We define SAAS as a software distribution model in which applications are hosted by a vendor or service provider and made available to customers over a network, typically the Internet. In a similar fashion you think of software to be replaced by service, and it is Service as a Service. I am not a management thinker to predict something would turn-up in near future so that the entire world can spin around it. If someone can think of providing platform as a service, software as a service and Infrastructure as a service, then this is also possible “service as a service”. Yes, as the big giants like Amazon, Microsoft, and Google and for that instance any company that works on cloud computing is extending the ideologies of providing service as a service.
And as we say, it depends on the eye of the beholder to recognize it as a service or a product.