【Table of contents】 1. Introduction 2. What is SaaS? a) SaaS Features b) Difference between IaaS, PaaS and SaaS c) All sorts of "〇aaS" 3. More about SaaS a) Advantages and disadvantages of SaaS b) Future of SaaS 4. Conclusion 1. Introduction You may not have heard of the term "SaaS" recently, but si...