This is similar to how many people making a prediction can produce an average answer that is very close to correct. This phenomenon is often called the wisdom of crowds.

10 Crowds tend to make accurate predictions when three conditions prevail—diversity, aggregation, and incentives. Diversity is about people having different ideas and different views of things. Aggregation means you can bring the group’s information together. Incentives are rewards for being right and penalties for being wrong that are often, but n