51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Try different email subject line styles to find what gets the most opens. [insert fun loading text here] Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Fighting off robots… Don’t forget to add a short preview description to encourage people to click on your email. Don’t forget to add a fun, relevant call-to-action button to your email. Get creative with emojis in email subject lines to increase open rates!