One Mississippi, two Mississippi… 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! “Everything I have designed has a crisp professional look and feel. Love this service” - Cameron Don’t forget to add a fun, relevant call-to-action button to your email. Boost your email opens with a punchy subject line. Sit up straight. Don’t forget to add a short preview description to encourage people to click on your email. Keep your email subject line short and attention-grabbing.