Glossary

SaaS - Software as a Service.  Provides a functionality over the internet.  Examples: Google Docs, SalesForce.com, Zoho, LiquidPlanner.

PaaS - Platform as a Service.  Provides a platform that is ready to build applications on over the internet. Examples: Force.com, OutSystems, Podio

IaaS - Infrastructure as a Service.  Provides an infrastructure (virtual servers and other virtual plumbing) for hosting own applications and data.

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