Boost your email opens with a punchy subject line. Fighting off robots… 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Feel free to spin in your chair while you wait A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Get creative with emojis in email subject lines to increase open rates! I wish I looked as good as you while waiting Sit up straight.