One of the most challenging and trouble-prone aspects of product development is discovering the right product requirements to deliver at the right time—and for the right customer. User stories and product backlogs are useful tools, but they aren't the only elements you'll need. Ellen shares her common-sense approach to agile requirements that will help you reduce risk and deliver value. Survey powerful ways to have colorful and collaborative requirements conversations. Discover how acceptance tests, prototypes, and models articulate important details. Understand the characteristics of a healthy backlog and review the methods that agile teams use when mining the backlog for business value.