User Stories are short and simple descriptions of a feature told from the perspective of the person who desires the new capability, usually a user or customer of the system. It´s called User Story because you put the user into focus. Therefore a User Story should lead to a product increment that can be seen valuable from the user- or business perspective.
The agile manifesto defines a collaboration culture. But what if your current environment is not collaborative? This article describes alternatives for moving into the agile direction.
Many important aspects of software development are invisible. When creating software we work through different abstraction layers by analyzing symbols and writing code.
A Sprint is a sensor that allows us to see what has been done, what impediments are in our way and how we did better in comparison to previous Sprints.