Time for Agile principle number four, where we talk about the relationship between product owner and engineer:

Business people and developers must work
together daily throughout the project.

In the post on agile principle number two, I gave the example of a Secret Santa management system, as an example of how being able to accommodate changing requirements can benefit a project. As a refresher, here’s the key story points of the project:

• A user should be able to sign up
• A user should be able to log in
• A user should be able to get a recipient assigned
• A user should be able to add notes to their recipient