The ESP is a school of marketing, basic and supplementary discipline to practice the communication. During their training, students take courses in basic marketing, international marketing, international marketing case studies (case studies). ESP offers focus on ethnic marketing, services marketing, e-marketing, building a marketing plan. The students in these courses have the opportunity to understand all aspects of the marketing function, from market research to promote, through the management of a product cycle and the definition of and a range of prices. marketing is primarily a decision aid, it allows to define the optimal combination of product characteristics, can meet the expectations of consumers, the most profitable way possible. Finally it helps control results against the original objectives. - Ralph Cordiner One of the managers of General Electric in the annual report of the company in 1952, is seen often attributed to have given to the role that marketing today. He wrote: "Thus, the marketing, through its studies and research will establish for the engineer and the person in charge of planning and production, what the customer is looking for in a given product , what price it is willing to pay as well as where and when he wishes. "This is the birth of marketing techniques.