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. One Mississippi, two Mississippi… Don’t forget to add a short preview description to encourage people to click on your email. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Avoid getting marked as spam! Only email people who have agreed to receive emails from you. Is anyone even reading this? A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.