One Mississippi, two Mississippi… Don’t forget to add a fun, relevant call-to-action button to your email. Don’t forget to add a short preview description to encourage people to click on your email. Opening the door to unlimited creativity… Is anyone even reading this? Get creative with emojis in email subject lines to increase open rates! I’m worth the wait 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!