Get creative with emojis in email subject lines to increase open rates! Don’t forget to add a short preview description to encourage people to click on your email. "Our charity nursery has improved their event marketing thanks to PosterMyWall flyers!" - Paula Feel free to spin in your chair while you wait 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! One Mississippi, two Mississippi… Try different email subject line styles to find what gets the most opens. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.