Which retail technology innovation first allowed Netflix to accurately predict viewer preferences, leading to the commissioning of 'House of Cards' as their first major original content?

The film and television industry has been transformed by digital streaming technologies. These innovations have changed not just how we consume content, but also how studios research audience preferences, market their productions, and create immersive viewing experiences. Test your knowledge about the technological developments that are reshaping how films and TV shows reach audiences in the digital age.

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Collaborative filtering algorithm
Blockchain-based viewer tracking
Real-time audience reaction cameras
Focus group AI analysis