51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula [insert fun loading text here] I’m worth the wait Generating witty text... Try different email subject line styles to find what gets the most opens. Keep your email subject line short and attention-grabbing. Don’t forget to add a fun, relevant call-to-action button to your email.