Don’t make ‘em yawn! Keep your emails exciting and brief. Sit up straight. We’re very font of you because you’re our type. Want the loading time to be longer so we can spend more time together :) Try different email subject line styles to find what gets the most opens. A mobile-responsive email can increase clicks by 15%. Always check mobile previews before sending out emails. Fighting off robots… Don’t forget to add a fun, relevant call-to-action button to your email.