Design a Personalized News Feed System

Functional Requirements:

• User Authentication: Users must be able to log in and authenticate their identity.
• Personalized Content Delivery: The system should deliver news articles tailored to individual user preferences and interests.
• Content Filtering: Users should have the ability to filter news based on categories, sources, and keywords.
• User Feedback Mechanism: Allow users to like, dislike, or save articles to improve personalization.
• Real-time Updates: The news feed should update in real-time as new articles are published.
• Search Functionality: Users should be able to search for specific news articles or topics.
• Multi-language Support: Provide news articles in multiple languages based on user preferences.
• Notification System: Notify users of breaking news or updates in their areas of interest.
• Content Sharing: Enable users to share articles on social media platforms or via email.

Non-Functional Requirements:

• Scalability: The system should handle a large number of users and high volumes of data efficiently.
• Performance: Ensure low latency in delivering news articles and updates.
• Availability: The system should be highly available with minimal downtime.
• Security: Protect user data and ensure secure access to the system.
• Data Privacy: Comply with data protection regulations and ensure user data privacy.
• Usability: The interface should be intuitive and easy to navigate for users.
• Reliability: Ensure consistent performance and accurate delivery of personalized content.
• Maintainability: The system should be easy to update and maintain over time.
• Extensibility: Allow for future enhancements and integration with other services or platforms.