Basically the human brain (all people) have two feelings, that is fear and greed. If you otice, only levels are different. According to Anthony Robbins, there are two things that drive the actions of all people in the world, the first is: avoid the miserable and the second: people looking for favors. just it ... so whatever you are selling focus and make use of these two forces this. so that your potential customers, become consumers in an instant.