Get creative with emojis in email subject lines to increase open rates! [insert fun loading text here] Feel free to spin in your chair while you wait Want the loading time to be longer so we can spend more time together :) Is anyone even reading this? Don’t forget to add a fun, relevant call-to-action button to your email. My day’s been ok, how’s yours? A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.