Get creative with emojis in email subject lines to increase open rates! 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email! A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Fighting off robots… Keep your email subject line short and attention-grabbing. [insert fun loading text here] Don’t forget to add a fun, relevant call-to-action button to your email. Joyina izigidi ezingu-4 zamalungu ekwenzeni okuqukethe kwemakethe okuhle.