Feel free to spin in your chair while you wait A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. I’m worth the wait Don’t forget to add a fun, relevant call-to-action button to your email. Get creative with emojis in email subject lines to increase open rates! Generating witty text... 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Let your imagination run wild.