Feel free to spin in your chair while you wait Boost your email opens with a punchy subject line. Keep your email subject line short and attention-grabbing. Don’t make ‘em yawn! Keep your emails exciting and brief. Is anyone even reading this? "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! Time to get that bread.