# Meta explains how Your Algorithm turns stated preferences into Facebook recommendations

> Original title: Your Algorithm: Giving People More Ways to Personalize Facebook Recommendations

- Source: Engineering at Meta
- Published: 2026-11-10T17:00:49.000Z
- Bad Influence: https://badinfluence.news/items/giwe70sfrs4yf53yul7u1uc82
- Original: https://engineering.fb.com/2026/11/10/ml-applications/your-algorithm-giving-people-more-ways-to-personalize-facebook-recommendations/

## Summary

Meta says Your algorithm lets people state interests in their own words and applies those preferences to Facebook Feed and Reels. The system uses LLMs to build initial profiles, validate edits, and check final recommendations against Not Interested In topics.

## Why it matters

The post explains how Your algorithm maps natural-language preferences through ranking, cache invalidation, and LLM checks, showing how stated preferences can change recommendations.