Which innovative retail data analytics technique was first widely adopted by political campaigns during the 2012 US Presidential Election?

In today's political landscape, data analytics has revolutionized how campaigns target and reach voters. Modern political campaigns leverage sophisticated retail data analytics techniques that were once the domain of corporate marketing. Test your knowledge about how governments and political campaigns use data analytics to shape their messaging and voter outreach strategies.

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Microtargeting through individual voter behavior prediction models
Blockchain verification of voter registration
AI-powered sentiment analysis of social media posts
Augmented reality voter education tools