As a social media marketer, you're responsible for meeting a long list of objectives. Return on investment (ROI)-which compares the investment in a marketing campaign to the profit from it-is likely at the top of that list. Whether you aren't hitting your goal, or your boss or agency client wants a better return, you need to know how to increase this metric. Fortunately, a wide range of tactics can help you achieve the ROI you want to see. Let's look at how to improve ROI in digital marketing, from which metrics to monitor to which tools to use.