A user-centered design process maps the current state of the world and envisions preferred future states in the form of new computational artifacts. Service design relies on a similar process with some important differences. Most importantly, a service design process results in a system, a service concept and a strategy for transitioning from the current system to the preferred system. Unlike UCD and UX, which focus almost exclusively on the user, service designers discover solutions at the intersection of the service provider’s and customer’s needs. As a result, a service design gets expressed through a series of models that serve as a description of what a service is, how it meets the need...