Part I Foundations.- Towards the Ethical Governance of Smart Society.- Collective Intelligence and Algorithmic Governance of Socio-Technical Systems.- A Taxonomic Framework for Social Machines.- The Mathematician and the Social Computer: A Look into the Future.- Twelve Big Questions for Research on Social Collective Intelligence.- Part II Technologies.- Privacy in Social Collective Intelligence Systems.- The Future of Social is Personal: The Potential of the Personal Data Store.- An Auditable Reputation Service for Collective Adaptive Systems.- Part III Applications and Case Studies.- Surfacing Collective Intelligence with Implications for Interface Design in Massive Open Online Courses.- Who Were Where When?-On the Use of Social Collective Intelligence in Computational Epidemiology.- Social Collective Awareness in Socio-Technical Urban Superorganisms.- Collective Intelligence in Crises.- The Lean Research: How to Design and Execute Social Collective Intelligence Research and Innovation Projects.