READ: Types of Applications
SAAS (Software as a service)
A software application that you don't install on your computer. The application runs entirely in your internet browser. Examples: Gmail (an email application that you never had to install on your computer - you just login and it works), Blogger, etc.The 3 benefits of SAAS are
1) You don't have to install anything.
2) Software updates occur automatically, and if errors are found in the program, the company can fix it on everyone's computer with only one update.
3) You can access SAAS apps from any computer with internet access.
Sources: library.thinkquest.org/06aug/02220/glossary/index.html