Which product development methodology did Netflix famously use to create its recommendation algorithm that reportedly saves the company $1 billion annually through increased customer retention?

The streaming wars have revolutionized how we consume film and television content. Major players like Netflix, Disney+, HBO Max, and others continuously evolve their platforms through sophisticated product development strategies. This poll tests your knowledge of how these entertainment giants make critical product decisions that shape our viewing experiences. Do you know how streaming services determine which features to prioritize and what content to produce?

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A/B Testing at massive scale with isolated user segments
Focus groups with entertainment industry professionals
Waterfall development based on quarterly market research
Purchasing viewing data from cable companies to inform their algorithm