The Product Owner

1. Only the PO can cancel the Sprint.
2. The PO is the expert on the marketplace for the Product.
3. During Sprint Planning, the PO brings a business objective, based on which the Scrum Team crafts a Sprint Goal.
4. There can only be one PO for a product. But a PO can work on multiple products.
5. During Sprint Review, the PO seeks feedback from key stakeholders.
6. A PO can also work as a developer on the team.
7. The PO can attend, but cannot “participate” in Daily Scrum meetings, except in the capacity of a developer.
8. The PO can attend but cannot participate in any PBI sizing (estimation) activities e.g. during Sprint Planning