This chapter summarizes the argument of the book “Perspectives for Digital Social Innovation to reshape the European Welfare Systems”. We consider different and parallel perspectives that can support welfare innovation and namely the rise of information and communication technologies in the public sector, the burgeoning initiatives of social innovation in the welfare sector and social changes challenges to the current welfare settlement. This chapter introduces the terms of the discourse starting from the current debate in EU on new policy trends for social protection and its financing. It discusses nature and effects of digital thinking and connects the long-lasting history of social innovation to its recent interpretation as a complex institutional space that changes “the dominant cognitive frames that frame the social problems”. We describe the theoretical implications and the need for multidisciplinary research in a number of fertile areas. Holistic approaches to welfare innovation, emerging digital technologies and the conditions for DSI to produce structural social change need to be studied in depth. Furthermore, the collection reports many situations in which digital social innovations respond to instances in the welfare sector and contribute to the democratic debate with social experiments. Post-hoc analyzes produce interpretative models that will be useful for informing policy decision-making when political agendas are mature. We intended to recreate the lively debate going on in the field of welfare innovation and represent the many “orders of the discourse” a reader may encounter. The innovation of the book itself concerns the logic of presentation of new theories, descriptive models and empirical cases, and the resonance of the subtexts that run through all the chapters.