SaaS, or cloud computing, came to the world on the shoulders of Salesforce.com and its “No software” ethos. It promised big advantages over on-premises solutions for nearly every business use case. Gone were the huge capital outlays for infrastructure to run your application, not to mention the cost and headache of maintaining, patching, and upgrading software. SaaS proposed to do away with all of that, and to a large degree it has. But the “as a service” movement promised other things. And those promises have been largely unfulfilled. The three promises that stand out for me follow.