Satisfy the client by quickly delivering work.
Changing the requirements and evaluation can be done after each sprint.
We deliver work frequently, usually every two weeks.
Internal collaboration with daily stand up meets (15 mins) and weekly WIP's
Support and trust in the project team keeps everyone motivated.
Face to face external meetings after every sprint to show progress.
Progress is measured by showing working applications.
Keep teams self-organising around core features and deliverables.
Reflect on how to become more effective & adaptive after each sprint retrospectives.