Sit up straight. Get creative with emojis in email subject lines to increase open rates! Is anyone even reading this? [insert fun loading text here] Test, test, and test again! Make sure your email looks good on all devices before you send it out. I wish I looked as good as you while waiting Don’t make ‘em yawn! Keep your emails exciting and brief. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails.