Software as a Service (SaaS)
Topics To Cover
Just What Is This SaaS ?
A Brief History…
ASP vs. SaaS
So What Makes SaaS Special?
How Is That Good?
Other Advantages
So What’s The Catch?
A Word Of Caution !
References

Other Advantages

Since web technology has progressed by leaps and bounds, SaaS applications light and compatible with native browsers and have advanced interfaces.
Aside from the usual subscription based monthly billing for software applications, SaaS vendors can also bill per transaction, event, or other unit of value that suits the customer.