Index

# 5. Recommender Systems

Why This Matters¶

Netflix's core product IS a recommender system. Every title you see is placed by ML models that predict what you'll enjoy. Understanding recsys is essential for Netflix roles — and increasingly for any consumer AI company.

Topics¶

• Collaborative Filtering & Embeddings
• Two-Tower & Retrieval Models
• Semantic IDs & Content Understanding
• Personalization at Netflix