51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Let your imagination run wild. Don’t make ‘em yawn! Keep your emails exciting and brief. Join 4 million members in making awesome marketing content. One Mississippi, two Mississippi… Want the loading time to be longer so we can spend more time together :) Test, test, and test again! Make sure your email looks good on all devices before you send it out. Sit up straight.