"Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Opening the door to unlimited creativity… We’re very font of you because you’re our type. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Get creative with emojis in email subject lines to increase open rates! Don’t forget to add a short preview description to encourage people to click on your email. Keep an eye on your email open rate to analyze and improve performance! Sit up straight.