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What Is RedNote (Xiaohongshu) and How Does It Work?
What is RedNote? A plain explainer of Xiaohongshu: notes, search, community and shopping in one app, and what a builder can take from the model.
How Voice Chat Rooms Work: Roles, Real-Time Audio, Limits
How voice chat rooms work: host, speaker and listener roles, hand raise, the real-time audio layer, room capacity limits and what breaks as a room grows.
How the Twitter Algorithm Works: Timeline Ranking Explained
How does the Twitter algorithm work? The stages X's open-sourced code documents, which parts are general practice, and how to design your own timeline.
How Does Tinder Matching Work? Swipes and Discovery Explained
How does Tinder matching work? The swipe, the mutual like and the chat, what shapes who you see, and how general recommender practice fills the gaps.
How Does the TikTok Algorithm Work? A Builder’s View
How does the TikTok algorithm work? What TikTok documents, what is general recommender practice, and which feed controls an operator should keep.
How the Instagram Algorithm Works: Feed, Reels, Explore
How does the Instagram algorithm work? There is no single one: feed, stories, explore and reels rank differently. See the signals and how to design yours.
How Does ReelShort Work? The Viewer Journey Explained
How does ReelShort work? Follow the viewer from free episodes to the lock, then see how coins, ads and VIP unlock episodes and what the operator controls.
How Does Reddit Work? Subreddits, Karma and Voting
How does Reddit work? A plain explanation of subreddits, voting, karma, moderators and rules as design choices, with the trade-offs each one creates.
How Does OnlyFans Work? Creators, Fans and the Money Flow
How does OnlyFans work? Follow a fan and a creator step by step, see where each payment goes, and learn which parts an operator must run behind the app.
How Fansly Works: Free Follows, Tiers and Discovery
How does Fansly work? Follow one fan from free follow to paid tier, see how tiers, permissions, tags and payouts fit together, and what a builder must copy.
How Bumble Works: The First-Move Rule and Match Timer Explained
How does Bumble work? The first-move rule, the 24-hour match window, Extend and Rematch, Opening Moves, and what a clone offers and sets up for you.
How Does an AI Avatar Video Generator Work?
How does an AI avatar video generator work? Follow the pipeline from script to voice, avatar, lip sync, render and translation, stage by stage.