Patented Voter-Targeted Digital Advertising for Candidates and Causes. In 2010, CampaignGrid developed the National Online Vo ... ter File®. This proprietary data set uses first-party offline voter data to allow candidates and causes to target specific registered voter segments online. Layered with dozens additional offline consumer and behavioral data sets, this is by far the most accurate and cost effective way to reach those audiences that matter most. CampaignGrid’s multi-screen solution allows its clients to run voter targeted video, display and social ads across PCs, mobile phones and tablets to reach voters with the right message at the right time everywhere they are online. For more information visit campaigngrid.com or contact us at info@campaigngrid.com. Visit https://campaigngriddirect.com/ for the self-service platform CampaignGrid Direct. read more