Three retail brands conquered their email marketing challenges to increase sales by improving data capture and sending targeted campaigns. They aligned digital channels to feed into email marketing and implemented strong welcome campaigns. One brand saw a 69% increase in ROI and exceeded revenue targets. Another saw a 2% increase in open rates, 15% click through rates, and a 1000% ROI with sales increasing 100% year over year. The document provides tips for capturing customer data to build personas, identifying key performance indicators to measure success, and not being afraid to try new things.