Lisa Crispin writes that you need to understand the purpose of a user story or feature. Start with the "why." You can worry later about the "how." The customers get to decide on the business value to be delivered. They generally aren't qualified to dictate the technical implementation of that functionality. It's up to the technical team to decide the best way to deliver the desired feature through the software.
When applying validation, should you limit yourself to the end-of-sprint review or demo—the practice most people associate with agile validation—or should you utilize other validation types where customers provide feedback? Where do the customers who attend validation sessions come from? In this article, you will learn about the importance of the ACVV and how to establish a vision to benefit the product and each project therein.