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 Is anyone even reading this? Keep your email subject line short and attention-grabbing. My day’s been ok, how’s yours? Sit up straight. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Try different email subject line styles to find what gets the most opens.