The various promotional activities, called the coffee shop promotion is important for sales, or create groups of customers of the coffee shop. Sometimes the promotion we do, so it has effect. Maybe, it doesn't work, or if it is in the worse case, the heavy loss promotion into which these matters may occur, but there is a promotion or campaign of some kind that may be viewed and then choosing not much not what students. If they can build a relationship with the customer or create a focal point of the restaurant.