Customers don't know what they want. There's plenty of good psychology research that shows that people are not able to accurately predict how they would behave in the future. So asking them 'Would you buy my product if it had these three features?' or 'How would you react if we changed our product this way?' is a waste of time. They don't know.
It will be of little avail to the people that the laws are made by men of their own choice if the laws be so voluminous that they cannot be read or so incoherent that they cannot be understood.
The more specific idea of Evolution now reached is - a change from an indefinite incoherent homogeneity to a definite coherent heterogeneity accompanying the dissipation of motion and integration of matter.