Which digital advertising technique was first effectively deployed at scale during Obama's 2008 presidential campaign, revolutionizing political targeting?

Political campaigns have evolved dramatically in the digital age. From traditional handshakes and yard signs to sophisticated data-driven targeting, campaign advertising techniques have transformed how candidates reach voters. This poll tests your knowledge about a groundbreaking digital advertising technique that fundamentally changed how political campaigns operate in the modern era.

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Microtargeted Facebook advertising based on psychographic profiles
Custom audience matching using voter files and social media data
Programmatic television ad buying using real-time bidding platforms
AI-generated personalized video messages to individual voters