Keep an eye on your email open rate to analyze and improve performance! Test, test, and test again! Make sure your email looks good on all devices before you send it out. Sit up straight. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Boost your email opens with a punchy subject line. 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.