> The idea is that developers and business execs should work together daily on projects and that changes should be welcomed even at a late stage in a project.

> The idea is that developers and business execs should work together daily on projects and that changes should be welcomed even at a late stage in a project. Because teams can easily make changes that break things for other teams unless they are extremely disciplined and have a policy similar to the Amazon API mandate (and even then, changes in formats and the precise data returned can cause trouble).