Not just a pretty interface One Mississippi, two Mississippi… I’m worth the wait Don’t forget to add a fun, relevant call-to-action button to your email. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Keep your email subject line short and attention-grabbing. "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia Try different email subject line styles to find what gets the most opens.