Don’t forget to add a short preview description to encourage people to click on your email. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! [insert fun loading text here] Time to get that bread. Don’t make ‘em yawn! Keep your emails exciting and brief. Keep your email subject line short and attention-grabbing. Is anyone even reading this? Get creative with emojis in email subject lines to increase open rates!