Generating witty text... A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. I wish I looked as good as you while waiting 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! Get creative with emojis in email subject lines to increase open rates! Opening the door to unlimited creativity… Let your imagination run wild. Don’t forget to add a fun, relevant call-to-action button to your email.