In October Mozilla released "Ad Analysis for Facebook. It shows you why you were targeted, and how your targeting might differ from other users... The extension

In October Mozilla released "Ad Analysis for Facebook. It shows you why you were targeted, and how your targeting might differ from other users... The extension also displays a high-level overview of the top political advertisers based on targeting by state, gender, and age. You can view ads for each of these targeting criteria — the kinds of ads you would never normally see." https://blog.mozilla.org/netpolicy/2018/10/18/getting-serious-about-political-ad-transparency-with-ad-analysis-for-facebook/ https://blog.mozilla.org/netpolicy/2018/10/18/getting-seriou...