When it comes to messaging, what worked in the past won't work today. Our noisy, digital world has undermined our ability to focus. For a message to grab attention and persuade, it now has to pass the SAUCE test and be: Simple, Appealing, Unexpected, Credible, and Emotional. This guide shows you how to transform unconvincing messages into compelling copy. It comes with a 15-question SAUCE test and a Heat Gauge which allows you to precisely measure the persuasive impact of your messages.