Get creative with emojis in email subject lines to increase open rates! Feel free to spin in your chair while you wait Opening the door to unlimited creativity… Don’t forget to add a short preview description to encourage people to click on your email. Try different email subject line styles to find what gets the most opens. My day’s been ok, how’s yours? 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Don’t make ‘em yawn! Keep your emails exciting and brief.