Fundamental User Stories - How Much Detail? - Mike Cohn

Let’s talk about detail in user stories. Many of us are drawn to detail. It feels good to know exactly what features a product will contain. And it feels good to know precisely how a feature will be implemented. Knowing the details of something feels good. It certainly feels better than being in the middle of the morass of open issues, undecided features, and general uncertainty that make up most projects. To bring order to the chaos, we attempt to remove uncertainty by adding details to our product backlog items.  But is it the right time?