Buyology: How everything we believe about why we buy is wrong is a bestselling book by Martin Lindstrom, in which he analyzes what makes people buy. The author attempts to identify the factors that influence buyers' decisions in a world cluttered with messages such as advertisements, slogans, jingle and celebrity endorsements. Lindstrom, through a study of the human psyche, explains the subconscious mind and its role in deciding what the buyer will buy. Lindstrom debunks some myths about advertising and promotion. Time named Lindstrom as one of the world's 100 most influential people because of his book.