Big Data Elections: This is What Political Campaigns Know About You Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Both Republicans and Democrats are in the big data game, and political campaigns are as eager to know about you as your credit card company. ( Gary Waters / Getty ) Produced by Ellen Frankman Hosted by Todd Zwillich Produced by PRI and WNYC