The process of regular inspection and adaptation employs knowledgeable and skilled inspectors.

At the Sprint Review the Product Owner shares the current state of Product Backlog, which, combined with the inspection of the Increment, leads to an updated Product Backlog.

At the Daily Scrum the Product Owner inspects the Sprint burn-down for progress towards a complete Increment and re-planning the team’s work.

At the end of Sprint Planning the Product Owner verifies the Sprint Backlog for completeness in order to allow the Sprint to start.

The Product Owner invites stakeholders to the Sprint Review to learn how the current state of the marketplace influences what is the most valuable thing to do next.