Join 4 million members in making awesome marketing content. Don’t make ‘em yawn! Keep your emails exciting and brief. Keep your email subject line short and attention-grabbing. Try different email subject line styles to find what gets the most opens. Keep an eye on your email open rate to analyze and improve performance! 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 Sit up straight.