At the end of each sprint, the Scrum team take some time to think about what could be improved in its Agile process. In this blog post, Natalie Warnert discusses how you could also use the retrospective meeting to look at story sizes after the sprint and determine if they were correctly sized as far as story points are concerned.
Product Management practices remains a skill difficult to pin down in its scope and responsibility. This article discusses how Product Management can exist within an Agile-oriented organization. It explains that it is an organizational level activity with responsibilities, decision-making and influences far beyond the scope of the software itself. Without the Product Manager, the Product Owner cannot do his job, as the business context for the software solution is lost.