Don’t forget to add a fun, relevant call-to-action button to your email. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Fighting off robots… We’re very font of you because you’re our type. Try different email subject line styles to find what gets the most opens. I wish I looked as good as you while waiting I’m worth the wait Boost your email opens with a punchy subject line.