What is Collective Intelligence?

This video explains what collective intelligence is by visualizing it and working from the following definition: “Collective intelligence is shared or group intelligence that emerges from the collaboration, collective efforts, and competition of many individuals and appears in consensus decision-making.” (Wikipedia, early April 2022)
The Collective Intelligence Project:
https://cip.org/whitepaper
Arrow's Impossibility Theorem:
https://www.youtube.com/watch?v=GzLY8pLU95c