Let your imagination run wild. Try different email subject line styles to find what gets the most opens. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! My day’s been ok, how’s yours? Want the loading time to be longer so we can spend more time together :) Don’t forget to add a short preview description to encourage people to click on your email. Don’t make ‘em yawn! Keep your emails exciting and brief. Sit up straight.