My guess is the math works out. As they said $10 isn't a great amount of people, and if you're after less than 4% CTR then the overlap is probably negligible. W

My guess is the math works out. As they said $10 isn't a great amount of people, and if you're after less than 4% CTR then the overlap is probably negligible. While Priceonomics makes an effort to appear as though it respects your intelligence, and its adverts are cited by almost every major news source, it is ultimately a showboating supertrawler. Check out 'The Tragic Data on Selfie Deaths' which makes a long form argument about a viral topic while getting its data from a google search and a particularly bad wikipedia list.