Learn best campaign tracking practices from the direct mail industry experts at Modern Postcard: Call 800.959.8365 or visit http://www.modernpostcard.com. Direct mail marketing is measured by delivery, response and ultimately, conversion. That’s why continually monitoring your campaigns and testing new variations is essential to learning, improving and achieving your business goals. The team at Modern Postcard will guide you through direct mail best practices while you test, track and understand results to improve ROI.