American business is dysfunctional. Companies of all sizes follow the mistaken belief that their products and services are best sold through mega-customers with pervasive market reach, such as Amazon and Walmart. Far too many business leaders fail to realize—until it is too late—that the...

The Customer Trap shows that giving power to a customer who violates "the ten percent rule" sets a company up for ruin. Yet, when presented with the opportunity to push more sales through large customers, most decision-makersjump at the chance. As a result, marketing has come to resemble a...