The idea behind Cambridge Analytica's Facebook data-harvesting app came from a Palantir employee, with support from Eric Schmidt's daughter

Palantir is the surveillance company founded by authoritarian "libertarian" Peter Thiel; their business-development employee Alfredas Chmieliauskas was part of a cohort of Palantir employees who worked closely -- if informally -- with Cambridge Analytica as they hatched their plan to harvest 50,000,000 Facebook profiles with a deceptive "personality quiz" app. Read the rest