The text discusses the importance of multi-channel notifications in software products, particularly when users are present on various channels such as email, SMS, and push notifications. The article highlights the benefits of using AWS services for notifications, including SES and SNS, which offer pay-per-use pricing models and advanced features like deliverability management and error handling. A sample implementation of a notification service is provided in Node.js, demonstrating how to create templates, send templated emails, and handle errors. The article also discusses limitations of AWS services, such as the need for manual attachment implementation and error-checking, and introduces Courier, an API that simplifies multi-channel notifications without requiring additional implementation work.