In return for all this, though, the Product Owner gets two things. First, he or she has the
confidence of knowing the team has made a very strong commitment to complete the work
they’ve signed up for, and over time Scrum teams get to be very good at delivering this.
Second, the Product Owner gets to make whatever changes he or she likes to the Product
Backlog before the start of the next Sprint. At that point, additions, deletions, modifications,
and re-prioritizations are all completely acceptable. While the Product Owner is not able to
make changes during the current Sprint,...