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The wisdom of crowds

Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet (1743 to 1794), was a French philosopher, mathematician, and early political scientist. In 1785, he published a paper in which he used statistics to champion democracy. The case he presented recognised democracies are based on the collective decisions of large groups of people, but citizens are not experts on every topic and may be prone to errors in the choices they make. Condorcet argued that it is possible for a group of error-prone decision-makers to be surprisingly good at making the right choice.

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