Feel free to spin in your chair while you wait Let your imagination run wild. Sit up straight. Try different email subject line styles to find what gets the most opens. Don’t forget to add a fun, relevant call-to-action button to your email. My day’s been ok, how’s yours? Boost your email opens with a punchy subject line. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!