Real-time Data Processing: DynamoDB's low-latency read and write operations can help marketers track user interactions in real-time, enabling more timely and relevant email campaigns. Scalability: As your subscriber list grows, DynamoDB can scale seamlessly to accommodate increasing data volumes without compromising performance. High Availability: DynamoDB's built-in high availability and fault tolerance ensure that your email marketing data is always accessible, minimizing the risk of downtime.