51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Don’t make ‘em yawn! Keep your emails exciting and brief. My day’s been ok, how’s yours? We’re very font of you because you’re our type. Is anyone even reading this? Get creative with emojis in email subject lines to increase open rates! One Mississippi, two Mississippi… Keep your email subject line short and attention-grabbing.