Political campaigns have always conducted polls and focus groups to learn more about the electorate and target specific groups. But as Election 2012 enters its final stretch, both parties are experimenting with new data sources -— like music preferences or web searches -- to glean insights about potential voters. As Democrats converge on Charlotte, N.C., for the first day of their national convention, Tech Tuesday explores the links between what we like and how we vote.
Paul Ryan talks about his musical preferences, which he says include AC/DC and Led Zeppelin, and how they compare to Mitt Romney's playlist:
In this Obama campaign video, DJs of varying celebrity explain why they support Obama's reelection:
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