Fighting off robots… Don’t forget to add a short preview description to encourage people to click on your email. Keep your email subject line short and attention-grabbing. 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! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Opening the door to unlimited creativity… Let your imagination run wild.