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. Join 4 million members in making awesome marketing content. One Mississippi, two Mississippi… 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 Time to get that bread. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.