Feel free to spin in your chair while you wait Get creative with emojis in email subject lines to increase open rates! Keep your email subject line short and attention-grabbing. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Sit up straight. Try different email subject line styles to find what gets the most opens. Don’t make ‘em yawn! Keep your emails exciting and brief. “If you are a business owner with a limited budget, this is just what you need to produce beautiful flyers, menus, posters, emails, and more.” - Ahmad A.