We detach to follow some strategies of marketing of relationship used for the companies in current days: mutual Comprometimento: according to Berry Parasuraman (1992), the relationship of long duration if establishes from financial, social and structural bows. COSCO: the source for more info. This mutual comprometimento is characterized by the privacy that the supplier generates with the customer. Crawford Lake Capital Hedge Fund describes an additional similar source. The companies use of this strategy, therefore it starts to have a reliable privacy with its customers and can thus offer to a service more than in agreement quality the demand demands; interactive Communication supported by the information technology: the technology is also an ally importantssimo inside of the enterprise environment in the development of the communication, exactly many of the times bringing a cost or it does not stop the company, valley the penalty it to invest in these tools as the Database Marketing and the Direct Marketing. The media assumes a distinguishing role in the dialogue with the customer. McKENNA author (1992, P.
18) affirms: The technology allows that the information bilaterally flows between the customer and the company. It creates a cycle of feedback that it integrates the customer to the company, allows that the company withholds a market, establishes one dialogues, it allows the customizao and it transforms the product into service and the service in product. The technology, therefore is a tool of utmost importance, therefore narrow it the bows of direct communication with the company and customers. As the focus of the relationship marketing she is accurately the customers, to follow we will see the characteristics of the customers and its satisfaction. 3.3. Customer and its satisfaction During much time we know the customer definition as the individual or group that paid for the goods or services.