Marketing is a complex and ever-changing beast. What works today might not work tomorrow, and what used to work might not work anymore. Trying to stay on top of the latest trends and methods can be tricky, especially when there are so many different opinions out there. So how do you know what's actually working in marketing? Is there really any science to it, or is it just a matter of luck? As it turns out, evidence-based marketing is an actual thing, and following these three principles can help your campaigns succeed more often than not. So what are they? Stay tuned to find out!