What is a sales letter?

A friend of mine asked me one day “What is a sales letter?”. As I know, the Internet provides lots of information and I advised him to google the question for finding his answer. I was very surprised when he told me that he didn’t found what he was looking for. Almost all the information that is on the Internet about the sales letter is how to write one. But before writing a good sales letter, of course, we must know what it is. So I decided to approach this issue in this article.
(more…)
