Get creative with emojis in email subject lines to increase open rates! Let your imagination run wild. Is anyone even reading this? Feel free to spin in your chair while you wait Test, test, and test again! Make sure your email looks good on all devices before you send it out. Generating witty text... Don’t make ‘em yawn! Keep your emails exciting and brief. Don’t forget to add a fun, relevant call-to-action button to your email.