Medium questions delve deeper, challenging you to apply your knowledge to common scenarios. They test your ability to think on your feet and adapt your basic skills to real-world contexts.

To approach this question, think about the fundamental elements required for a messaging feature, such as user interface, notification system, and security features. Mention the need for an intuitive and user-friendly design that allows users to easily send, receive, and view their messages. Additionally, consider the importance of privacy and data security, and how you would implement features to protect user information. It is also critical to think about how this feature will integrate with existing functionalities and how it would enhance the overall user experience on the platform. When discussing your design, be clear and systematic, describing how each component of your feature contributes to user needs and business objectives.

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