Don’t make ‘em yawn! Keep your emails exciting and brief. I’m worth the wait Opening the door to unlimited creativity… Don’t forget to add a fun, relevant call-to-action button to your email. Sit up straight. Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates! 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!