In the "Forum Service Management," renowned authors comprehensively and diversely explain why the appropriate handling of digitalization represents a crucial competitive factor for both product manufacturers and service companies. They illustrate how existing value chains and business models are significantly changing due to digitalization, how some may disappear, and how new ones can emerge, thereby triggering a profound structural transformation. Volume 1 addresses the following focal points: the content, conceptual foundations of services 4.0, methods of services 4.0, tools of services 4.0, and industry-specific perspectives of services 4.0.