Which data-driven strategy did Netflix famously use when developing their groundbreaking original series 'House of Cards'?

In today's competitive streaming landscape, audience data analytics have revolutionized how television content is developed, marketed, and distributed. Major streaming platforms use sophisticated algorithms to track viewer behavior and make critical decisions about content renewal. This poll tests your knowledge about how data analytics have transformed the film and television industry in recent years.

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They analyzed viewing data showing viewers who watched the UK version of 'House of Cards' also watched films directed by David Fincher and starring Kevin Spacey
They tested five different pilot episodes with focus groups and selected the version with the highest engagement metrics
They used social media sentiment analysis to identify political thrillers as the most in-demand genre among their subscriber base
They purchased viewing habit data from cable networks to determine which canceled shows had the most loyal audiences worth targeting