The Cambridge Analytica exposé: everything you need to know

Cambridge Analytica claims to use data 'to change audience behaviour'. But now a whistleblower, Christopher Wylie, has come forward to expose the company's practices. Wylie describes how its CEO, Alexander Nix, attracted support from the then Breitbart editor, Steve Bannon, and investment from the billionaire Robert Mercer before obtaining help from the Cambridge professor Aleksandr Kogan to harvest tens of millions of Facebook profiles Watch the full interview ► http://ift.tt/2FX7A8A The Cambridge Analytica files ► http://ift.tt/2pmKX6i Subscribe to The Guardian ► http://ift.tt/16bR3Lu Support the Guardian ► http://ift.tt/2xBWIJe Sign up for the Guardian documentaries newsletter ► http://ift.tt/2feoDdN The Guardian ► http://ift.tt/1AFLGzy Playlists: Guardian documentaries ► http://bit.ly/GDNdocs Guardian VR ► http://bit.ly/GDNVR Guardian Features ► http://bit.ly/GDNfeatures Anywhere but Westminster ► http://bit.ly/ABWseries Anywhere but Washington ► http://bit.ly/ABWUSseries Owen Jones meets ► http://bit.ly/CorbynJones Guardian Animations & Explanations ►http://is.gd/explainers The Guardian YouTube network: Guardian News ► http://ift.tt/1J9JUwL Owen Jones talks ► http://bit.ly/subsowenjones Guardian Football ► http://ift.tt/1yECE17 Guardian Science and Tech ► http://ift.tt/16bR3Ly Guardian Sport ► http://bit.ly/GDNsport Guardian Culture ► http://ift.tt/16bR6H2