Most people, at some point in our lives, have had to sell something, whether it be a product, service, or an idea to other people. One strategy common to almost all sales techniques is the art of persuasion. Persuasion is defined simply as communication intended to induce belief or action. In the sales world, persuasion is used to induce both belief and action. Salespeople want potential customers to believe in the product or service they're offering, and then they want those potential customers to commit to purchasing what they're offering. Persuasion is all about getting people to do or believe what you want them to do or believe. Traits to Hone for Successful Sales