Think of the information about the product. What is good, in that the seller provides information about the product. Because we know the information about the products we are interested. And the properties of the products To provide information to customers so that the customers. To understand the details of the products. To know the product of the seller. Create incentives for customers so that the customers are interested in and support their goods Have to ask the seller about the products we are interested to buy that product? What is the component may inquire of the seller. The brochure of the sellers of products or plans to to advertising products.