Rolf K. Baltzersen is Professor in the Faculty of Education at Østfold University College, Norway. His research interests include collective intelligence, communication, metacognition, educational technology, and teaching.

• 1. What is collective intelligence?; 2. Crowdsourcing; 3. Open online knowledge sharing; 4. Human swarm problem solving; 5. The origins of human swarm problem solving; 6. Human stigmergic problem solving; 7. The origins of human stigmergic problem solving; 8. Collaborative problem solving; 8. The origins of collaborative problem solving; 9. The origins of collaborative problem solving; 10. Intelligent engagement; 11. Intelligent contributions; 12. Intelligent evaluations; 13. COVID-19 as a wicked problem; 14. Motivation to contribute; 15. The intelligent society; References.

'Rolf Baltzersen has written the best book to date on collective intelligence in relation to innovation processes and cultural evolution. It is both a precise and informative manual and a very inspiring manifesto.' Pierre A. Lévy, Professor of Communication, University of Ottawa, Canada