In theory, everybody buys the best and cheapest commodities offered him on the market. In practice, if everyone went around pricing, and chemically tasting before purchasing, the dozens of soaps or fabrics or brands of bread which are for sale, economic life would be hopelessly jammed. To avoid such confusion, society consents to have its choice narrowed to ideas and objects brought to it attention through propaganda of all kinds. There is consequently a vast and continuous effort going on to capture our minds in the interest of some policy or commodity or idea.
