Software as a Service (SaaS), also referred to as "cloud computing," refers to software that you access through a web interface, rather than having it installed on your local computer or network. The "cloud" in this case is the Internet, where the complex infrastructures that power the software are hidden from the users' view.ExactTarget is a SaaS product, as is Salesforce.com and the technology that powers this blog, Compendium Blogware.
SaaS products are growing in popularity because of benefits such as:
- Hardware and personnel cost savings from not having to install and support software on site
- Flexibility to purchase on a monthly basis
- Automatic version updates
- Ability to access the tools from any computer anywhere
- Information security, often better than you can guarantee yourself
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