What’s the difference between IaaS, SaaS and PaaS?

(Source: ComputerworldUK) Cloud computing gave birth to many acronyms, but none are more important than IaaS, PaaS and SaaS; the building blocks of modern computing. For the uninitiated these are: infrastructure-as-a-service (IaaS), platform-as-a-service (PaaS) and software-as-a-service (SaaS). Here we break down all three for you, including …