Where TV ads and radio commercials fail is that one can never know who or how many people are exposed to it. In essence, they are a shot mailing list in the dark, and they are necessary to be played or shown many times in order mailing list to have high numbers of exposed consumers. This can quickly get very expensive. With mailing lists, you can choose specifically to whom your mail is sent.
Have a business selling high quality, expensive products? If so, you will need to direct your mail and advertisement efforts toward those who may be able and interested to buy them. With this type of directed attention, you can see mailing list to it that you are reaching the demographic that will most likely take interest and need in your services or product.
With new technologies being widely used and available, a list does not have to be limited to traditional mail. It also may be possible to contact consumers by sending texts, emails easily read from a phone, and other technologies. Being mailing list flexible and using many different technologies at once will also ensure that a wide demographic is being reached.