Don’t forget to add a fun, relevant call-to-action button to your email. 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… Keep your email subject line short and attention-grabbing. “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. Boost your email opens with a punchy subject line. Get creative with emojis in email subject lines to increase open rates!