“As visitors filled out forms on the website, trackers on the same pages told LinkedIn their answers to questions about whether they were blind, pregnant, or used a high number of prescription medications.”
Covered California sent visitors’ answers about pregnancy, blindness, and abuse to LinkedIn through ad trackers. The site ran over 60 trackers, against an average of about three on other government sites. Nearly 2 million people are enrolled. Most trackers came down only after reporters tested the site.