Opening the door to unlimited creativity… 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Sit up straight. Join 4 million members in making awesome marketing content. Get creative with emojis in email subject lines to increase open rates! Don’t make ‘em yawn! Keep your emails exciting and brief. I’m worth the wait Don’t forget to add a short preview description to encourage people to click on your email.