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From This Collection

Citizens United and the rise of the campaign tracker

Oct 30, 2012
A look at the work of campaign trackers as they follow every step of political campaigns across the country.

For public good, not for profit.

Digging for voters with Big Data

Oct 23, 2012
PBS NewsHour's Hari Sreenivasan explains how campaigns are using data to influence what shows up on your computer screen and on your doorstep.