Get creative with emojis in email subject lines to increase open rates! Let your imagination run wild. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Keep an eye on your email open rate to analyze and improve performance! "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Don’t make ‘em yawn! Keep your emails exciting and brief. Feel free to spin in your chair while you wait Keep your email subject line short and attention-grabbing.