Advertising and sales, using the language that is not the technical depth and offensive, it is a sale that is designed to avoid the customer outrage because of the sale of this technique is that the sales are low pressure and will not affect the sale of the product is first presented by the sales like this are not designed to promote products without having to come out as a leader, but the salesperson may be used to provide customers with more. How to talk with the interest or submit it.