Time to get that bread. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula [insert fun loading text here] Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates! Is anyone even reading this? Keep your email subject line short and attention-grabbing. Don’t forget to add a fun, relevant call-to-action button to your email.