Generating witty text... Feel free to spin in your chair while you wait Keep your email subject line short and attention-grabbing. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! "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. Fighting off robots… Try different email subject line styles to find what gets the most opens.