Customer retention is important as it costs 6-7 times more to acquire new customers than retain existing ones. Content marketing can help with customer retention by understanding customers' needs, being consistent with a content strategy and calendar, being proactive by addressing common questions, being authoritative with industry knowledge, making content share-worthy across departments, distributing content across multiple channels, and housing all content in a central online repository for easy access. Following these seven habits of highly effective content marketing can help create positive customer experiences and stronger customer relationships.