Get creative with emojis in email subject lines to increase open rates! Opening the door to unlimited creativity… 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Let your imagination run wild. “There are so many beautiful designs to choose from. I feel like a professional when I use it.” - Dr. Oberson Want the loading time to be longer so we can spend more time together :) Sit up straight. Keep your email subject line short and attention-grabbing.