Every business owner realizes and understands that customer is one of the important parts of their success. More customers mean more money for them. That is why many businesses are trying to do their best to give the excellent customer services such as call center, direct mail, fast delivery, high quality products and many more. Most business uses their marketing management to get more and more customers. However, one of the best ways to attract new or loyal customers is direct marketing. Direct marketing is one of the important key …