Let us look at it from a different angle now and derive the requirements out of the customer journeys.  It is impossible to introduce a change... if the change is big and you try to implement it in one go.  This is the reason we tend to break any solution into smaller components. Each solution component should be small and independent enough to be changed individually in a controlled manner. So that eventually we will compose a new experience out of them. Pretty much like using a set of Lego blocks.

The question of how essential domain expertise is to a business analyst is a recurring debate in the BA community. One school of thought maintains that domain knowledge is not critical. A skilled BA, the thinking goes, can walk into nearly any project situation and do an effective job of exploring requirements, relying on previous experience and a rich tool kit of requirements techniques. The counterargument avers that an analyst who has deep subject matter knowledge can be far more effective than a more general practitioner.

I have experienced both situations, from inside a company as a regular employee and from the outside as a consultant. This article offers some thoughts about when domain knowledge is valuable, when it’s essential, when it’s not necessary, and when it can actually pose a risk.

Successful projects—and successful relationships—are based on realistic commitments, not on fantasies and empty promises. This article, adapted from the book Practical Project Initiation, presents several ways to improve your ability to make, and keep, achievable commitments... Unfulfilled promises ultimately lead to unhappy people and unsuccessful projects. Strive to build a realistic commitment ethic in your team—and in yourself.