Is SaaS The Future of Cloud Market? Amazon Cloud’s Q1 2016

In a statement announcing the earnings, Amazon’s CEO Jeffrey P. Bezos highlighted that the operating revenue for AWS has tripled in Q1 2016.
(Full report)
Today, the company’s net income stands at $513 million; and 56 percent of the company’s total operating income comes from AWS. One of the major contributors to the AWS’ success could be attributed to Amazon supporting the Platform as a Service, or “PaaS,” and the Software as a Service, or “SaaS,” models to enterprises. To be very specific, SaaS models are facilitating businesses to consume applications that are hosted online with seamless flexibility and agility and SaaS adoption is growing dramatically.

Does that mean SaaS is all set to rule the cloud market in coming years?