51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! 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… Don’t make ‘em yawn! Keep your emails exciting and brief. Don’t forget to add a fun, relevant call-to-action button to your email. I wish I looked as good as you while waiting Boost your email opens with a punchy subject line.