Software as a service (SaaS) is a software licensing and delivery system in which software is licensed on a subscription basis and is centrally hosted. The advantages of the SaaS model are that it is easier to manage and that all the users have the same version of the software because updates and patching is done automatically. It grants global accessibility, making remote working models easier, which reduces costs and improves performance. The SaaS industry is now maturing beyond simple, historical financial measures towards a sophisticated operational measure in the form of a new Customer Success Metrics and Predictive Analytics.
Some of the giants in the industry are Salesforce, LinkedIn and Workday and while their services vary, the most significant one remains their cloud computing applications and platforms. Read more at: http://zeendo.com/info/top-10-software-as-a-service-saas-companies/