I've been around hundreds of Oracle performance projects since 1989, and my colleagues have been around thousands more. In candid after-work talks about our experiences, there has been remarkable symmetry in what we believe makes a project successful. People everywhere seem to be discovering the same secret on their own, through the Agile, Lean Startup, and Design Thinking movements. The secret? Shorter feedback loops. But shortening your feedback loops in Oracle projects is easier said than done. It all depends on how well you Test and Measure. But how do you overcome the political and technical barriers to making great testing and measuring a part of your project plan?