L7 · Hard
Social Media Feed (Twitter/Instagram)
Problem
Design a social media platform with posts, follows, and a personalized news feed.
Requirements
- Create posts (text, image, video)
- Follow and unfollow users
- News feed: posts from followed users
- Like, comment, and share posts
- Trending topics/hashtags
- Notification on likes/comments/follows
Constraints
- –Feed shows last 100 posts from followed users
- –Max 280 chars for text posts
- –User can follow max 5000 others
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