Which recommendation algorithm technique did Netflix famously offer a $1 million prize to improve in 2009, dramatically advancing the field of content recommendation systems?

Streaming platforms invest heavily in recommendation algorithms to keep viewers engaged and reduce churn. These sophisticated systems analyze viewing patterns and preferences to suggest content you might enjoy next. But how well do you understand the technology powering your next binge-watch? Test your knowledge about the recommendation systems that shape viewing habits in the film and television industry.

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