The Markup, now a part of CalMatters, uses investigative reporting, data analysis, and software engineering to challenge technology to serve the public good. Sign up for Klaxon, a newsletter that delivers our stories and tools directly to your inbox. The website that lets Californians shop for health insurance under the Affordable Care Act, coveredca.com, has been sending sensitive data to LinkedIn, forensic testing by The Markup has revealed. As visitors filled out forms on the website, tracke...