Feel free to spin in your chair while you wait We’re very font of you because you’re our type. Let your imagination run wild. Is anyone even reading this? A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Test, test, and test again! Make sure your email looks good on all devices before you send it out. Boost your email opens with a punchy subject line. Don’t forget to add a fun, relevant call-to-action button to your email.