Which innovative market research technique was first widely adopted during Barack Obama's 2008 presidential campaign that revolutionized political outreach?

In the world of politics and government, market research plays a crucial role in shaping campaigns, policies, and public messaging. Political strategists rely heavily on sophisticated research techniques to understand voter demographics, preferences, and behaviors. This trivia question tests your knowledge about a significant innovation in political market research that changed how campaigns operate. Do you know enough about the evolution of political data collection to identify the correct answer?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Microtargeting using big data analytics and social media profiling
Focus groups with swing voters in battleground states
Automated telephone polling with immediate response analysis
Door-to-door canvassing with real-time mobile data collection