I found these links which I found being very useful: 7 Non-Obvious SaaS Startup Lessons From HubSpot http://onstartups.com/tabid/3339/bid/13320/SaaS-101-7-Simp

I found these links which I found being very useful: 7 Non-Obvious SaaS Startup Lessons From HubSpot http://onstartups.com/tabid/3339/bid/13320/SaaS-101-7-Simple-Lessons-From-Inside-HubSpot.aspx http://onstartups.com/tabid/3339/bid/13320/SaaS-101-7-Simple... HootSuite: A software-as-a-service success story http://thenextweb.com/apps/2011/07/06/hootsuite-a-software-as-a-service-success-story/ http://thenextweb.com/apps/2011/07/06/hootsuite-a-software-a...