Answer:
e.permission marketing
Explanation:
Permission marketing -
It is the method of advertising , in which the people are given the choice of getting the promotional messages , is known as permission marketing .
This method is given in the book by author and entrepreneur Seth Godin .
By this method of advertising , the people are given the choice of whether to receive the messages or not .
In this form of marketing , the materials are often send to customers without any consent , for the promotion of the products .
