Marketing is needed in every business. But, before you start a successful marketing campaign, it is important to get inside the customer's mind.  There is an important acronym AIDA in today’s business world which stands for attention, interest, desire and action. This model is like a purchasing pipe that basically identifies the cognitive stages a prospect goes through before making a purchase. If you like to develop a better understanding of how the customer thinks, then you can use AIDA which was first developed by Elias St. Elmo Lewis, an American advertising and sale pioneer. Read more at: http://it.toolbox.com/blogs/insidecrm/how-to-market-more-effectively-78331