Big Data

Campaign 2016: These are the big tech companies powering the election

L2 Political

L2 Political is a data portal that sells demographic information on nearly every voter in the United States. Voter information including home address, occupation, and salary range is overlaid on granular maps. Campaigns use L2 data to target voters with personalized marketing messages.

Image: L2 Political

By Dan Patterson

Dan is a Senior Producer for CNET and CBS News.