Which advertising technique first allowed presidential campaigns to target specific voter demographics with tailored political messages at scale?

Political advertising techniques have evolved dramatically in the digital age. Campaign strategists now use sophisticated data analytics and targeted messaging to reach specific voter demographics. This poll tests your knowledge about a groundbreaking advertising technique that changed how political campaigns communicate with voters. Do you know which innovation fundamentally transformed modern political campaigning?

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Microtargeting using big data analytics
Television campaign ads
Robocalls to registered voters
Social media influencer partnerships