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! Let your imagination run wild. I’m worth the wait "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Get creative with emojis in email subject lines to increase open rates! Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Don’t make ‘em yawn! Keep your emails exciting and brief.