Feel free to spin in your chair while you wait [insert fun loading text here] Boost your email opens with a punchy subject line. Time to get that bread. Don’t make ‘em yawn! Keep your emails exciting and brief. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Keep your email subject line short and attention-grabbing. Avoid getting marked as spam! Only email people who have agreed to receive emails from you.