Don’t forget to add a fun, relevant call-to-action button to your email. Is anyone even reading this? Don’t make ‘em yawn! Keep your emails exciting and brief. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Get creative with emojis in email subject lines to increase open rates! Keep your email subject line short and attention-grabbing. Sit up straight. Test, test, and test again! Make sure your email looks good on all devices before you send it out.