A slide from a presentation titled "Takeaways" with a title "The best subject lines try to TELL what's inside. The worst subject lines try to SELL what's inside." and a bullet point list of "The best subject lines try to TELL what's inside. The worst subject lines try to SELL what's inside." and "The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what's inside. The worst subject lines try to SELL what