Is the freemium model compatible with traditional enterprise software? Yes but it requires a significant shift in the way you go to business as well as design and build the customer experience.
More on this topic (What's this?)
Bob Goodwin: Software Engineering in Crisis – Healthcare.gov is Just the Dead Canary (naked capitalism, 11/21/13)
Bob Goodwin: Why Code is Law (naked capitalism, 11/24/13)
Company Update – 3M Company (NYSE:MMM) – 3M™ Digital Designs Upgrade Keeps Software a Cut A... (Jutia Group, 11/5/13)