Which innovative marketing analytics technique did major studios adopt after 2018 that dramatically improved their ability to target potential viewers?

Major film studios invest millions in marketing campaigns to ensure blockbuster success. The strategies behind promoting movies have evolved dramatically with technology and changing audience behaviors. This trivia tests your knowledge of how film studios leverage marketing analytics to maximize box office returns and audience engagement. Do you know which cutting-edge technique revolutionized audience targeting in recent years?

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Sentiment analysis of social media reactions to trailers to predict opening weekend performance
Cross-platform viewing habit tracking to create personalized movie recommendation algorithms
Facial recognition in theaters to measure emotional responses during preview screenings
Neurological response monitoring via streaming apps to optimize trailer cut timing