Don’t make ‘em yawn! Keep your emails exciting and brief. Get creative with emojis in email subject lines to increase open rates! Keep your email subject line short and attention-grabbing. Fighting off robots… Test, test, and test again! Make sure your email looks good on all devices before you send it out. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula One Mississippi, two Mississippi… Don’t forget to add a fun, relevant call-to-action button to your email.