The document discusses the importance of deliverability in direct marketing campaigns. It notes that no matter how good the product, price, or message, poor delivery can ruin a campaign. The document provides tips for improving delivery of direct mail, email, SMS, and B2B campaigns. These include list hygiene, opt-in permissions, content expectations, and testing across platforms. The document emphasizes that anti-spam laws and user perceptions define what is spam, so marketers must focus on permission and value to recipients.