TBSystemTanmay
Bhuskute
Problem Breakdownsplanned

How Instagram Recommends Reels

I'm mapping the likely recommendation-system pieces behind Reels, from candidate generation to ranking and feedback loops.

Note status

I am keeping this as a structured snapshot.

This page captures the verified direction of the note without pretending the full essay is already written.

RecommendationsML Systems

What this note will cover

  • Candidate generation: how a large content pool narrows into possible Reels.
  • Ranking: how the system can order candidates for a user session.
  • Feedback loops: how watch behavior can shape future recommendations.

Source references

  • readme_portfolio.md