When you display big buckets of voter data on a map—coded red for Republican and blue for Democrat—the United States is clearly a purple country. Every campaign, from presidential to local elections, relies on big data. Specifically, campaigns buy voter information and social media data. L2 Political is one of the most widely used campaign data vendors. Customers range from presidential campaigns to local elections to PACs. The product is a powerful window to information like voter name, par...