Get creative with emojis in email subject lines to increase open rates! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Let your imagination run wild. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Fighting off robots… Don’t forget to add a short preview description to encourage people to click on your email. Is anyone even reading this? Test, test, and test again! Make sure your email looks good on all devices before you send it out.