"Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Not just a pretty interface Keep your email subject line short and attention-grabbing. Feel free to spin in your chair while you wait Is anyone even reading this? 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Let your imagination run wild. Don’t forget to add a fun, relevant call-to-action button to your email.