51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Don’t make ‘em yawn! Keep your emails exciting and brief. We’re very font of you because you’re our type. Feel free to spin in your chair while you wait Don’t forget to add a short preview description to encourage people to click on your email. Boost your email opens with a punchy subject line. Don’t forget to add a fun, relevant call-to-action button to your email.