pricing-psychology-magic-number-nine by admin | Aug 26, 2014 | 0 comments Magic number 9 is also known as a Charm Number. It helps increase sales. Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Notify me of new posts by email. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.