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.

'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

• 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 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.

'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

• 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 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.

'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

• 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.