Get creative with emojis in email subject lines to increase open rates! Try different email subject line styles to find what gets the most opens. One Mississippi, two Mississippi… "I use PosterMyWall to create flyers for the MANY non-profit organizations that we are involved with!" - Stachia I’m worth the wait 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! Let your imagination run wild.