How your data is used to create the perfect midterm election ad
https://www.cnet.com/news/how-your-personal-data-is-used-to-create-a-perfect-midterm-election-ad/
The Center for Responsive Politics' chart for campaign spending this midterm elections.
The political-data industry has raked in millions of dollars selling voter information to campaigns and political organizations, and this year's races signal continued big business. And it's a largely unregulated industry.