Not just a pretty interface Generating witty text... Try different email subject line styles to find what gets the most opens. "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia Don’t forget to add a short preview description to encourage people to click on your email. Boost your email opens with a punchy subject line. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Don’t make ‘em yawn! Keep your emails exciting and brief.