[insert fun loading text here] Boost your email opens with a punchy subject line. Try different email subject line styles to find what gets the most opens. Feel free to spin in your chair while you wait I’m worth the wait Generating witty text... 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.