Feel free to spin in your chair while you wait Sit up straight. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Keep your email subject line short and attention-grabbing. Is anyone even reading this? Don’t forget to add a fun, relevant call-to-action button to your email. Not just a pretty interface Avoid getting marked as spam! Only email people who have agreed to receive emails from you.