Also Known As the Pareto Principle It’s sometimes called the Pareto Principle, named after the Italian Economist Vilfredo Pareto, who noticed that 20% of the people in Italy owned 80% of the land. The rule in its most simple phenomenological form states that 80% of effects come from 20% of the causes. 80% of Legos are sold to 20% of the customers. It’s why Lego started making giant Millennium Falcons –they realized they had super customers who would buy everything. Or... Read more