Sit up straight. [insert fun loading text here] Don’t forget to add a fun, relevant call-to-action button to your email. Is anyone even reading this? "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Generating witty text... Keep your email subject line short and attention-grabbing. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!