Keep your email subject line short and attention-grabbing. We’re very font of you because you’re our type. Don’t forget to add a fun, relevant call-to-action button to your email. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Feel free to spin in your chair while you wait Sit up straight. Keep an eye on your email open rate to analyze and improve performance! Don’t make ‘em yawn! Keep your emails exciting and brief.