One of my dev teams over at VoicInt Telecommunications currently works on a Windows Presentation Foundation based product that facilitates a rich add-in infrastructure. A key feature area of the soon-to-be-shipped release is a completely modular architecture which not only allows to parallelize much of the engineering process but also gives our VARs and resellers the ability to extend our product to individual customers' needs. With the beginning of the year we've adopted a strict agile development approach and since then successfully follow the Scrum methodology. In a series of exploration sprints we've focused on prototyping around...