Social media giant Facebook is having a rough week, it's stocks plummeting and a "please explain" from congress following reports a political consulting firm kept data on millions of its users.
The Cambridge Analytica files have caused a huge fallout, its CEO now suspended, after a UK newspaper revealed the company used underhanded tricks to sway election campaigns.
It's a complicated investigation so here to explain why it's causing so much concern is Liza Bolton, from the Statistics department at the University of Auckland.
Cambridge Analytica CEO Alexander Nix Photo: Gizmodo
