The document discusses customer satisfaction and expectations. It states that customer satisfaction depends on a product's performance relative to a customer's expectations. If performance matches expectations, the customer is satisfied. If performance exceeds expectations, the customer is delighted. Marketers must be careful not to set expectations too high or low. The most successful companies raise expectations and deliver performance to match, aiming for total customer satisfaction. Customer satisfaction surveys are used to directly measure satisfaction levels and gather feedback on competitors. High satisfaction leads to customer loyalty, repeat purchases, and positive word-of-mouth advertising.