Get creative with emojis in email subject lines to increase open rates! Generating witty text... Don’t forget to add a fun, relevant call-to-action button to your email. Keep an eye on your email open rate to analyze and improve performance! Fighting off robots… Try different email subject line styles to find what gets the most opens. Feel free to spin in your chair while you wait 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!