Which AI-driven recommendation technique did Netflix famously use that resulted in a reported $1 billion annual savings in customer retention?

The film and television industry has been dramatically transformed by artificial intelligence in recent years, particularly in how streaming platforms recommend content to viewers. This personalization has become a critical competitive advantage in the streaming wars. Test your knowledge about how major platforms leverage AI to keep viewers engaged and reduce churn through sophisticated content recommendation systems.

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Collaborative filtering algorithms that analyze viewing patterns across similar user profiles
Sentiment analysis of social media discussions about content
Image recognition technology that identifies actors viewers prefer
Predictive analytics based primarily on demographic data