Feel free to spin in your chair while you wait [insert fun loading text here] A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Let your imagination run wild. Keep your email subject line short and attention-grabbing. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Time to get that bread. Don’t make ‘em yawn! Keep your emails exciting and brief.