Persuasive design has been around since the dawn of advertising. Desire, beauty, status, and popularity all play a part, and were driven by it whether we are aware of it or not. Evil by Design contains sixty tongue and cheek (yet completely applicable) design patterns that show how to design sites that exploit psychological principles to persuade us to do their bidding. The book is arranged in chapters following the seven deadly sins, with the relevant patterns aligned under the headings of Sloth, Pride, Envy, Greed, Lust, Anger and Gluttony.   Examples of evil designs from around the Web. Explanation of how each one works and why we fall for it. Introduction to the psychology of persuasion - how our brains are wired to respond to certain sales techniques. How-to steps to replicate these patterns on your own site. Learn how to use the same principles either for good or evil.