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! Generating witty text... Boost your email opens with a punchy subject line. "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia Don’t make ‘em yawn! Keep your emails exciting and brief. Get creative with emojis in email subject lines to increase open rates! Test, test, and test again! Make sure your email looks good on all devices before you send it out.