Social Proof Primer: How to Use Marketing’s Psychological Secret Sauce May 4, 2017Last Updated on by Stewart Gandolf [Series Installment] Think of it as marketing’s psychological secret sauce. A serious dash of social proof is often the most compelling and motivating ingredient in the applied science of marketing. Success—with clear and measurable results—follows when you put predictable human reactions and behavior to work. You can kick start your effectiveness by incorporating at least […]