麻豆约拍

Did data analytics companies play a role in determining the outcome of the British vote to leave the European Union? Gabriel Gatehouse reports on the data analytics firm Cambridge Analytica.

Plus, how can you tell if you are the target of big data? Presenter Manuela Saragosa get tips from Jevin West, an assistant professor at the DataLab at the University of Washington, who set up a course in the subject.

(Picture: Composite graphic showing Robert Mercer, Donald Trump, Steve Bannon, Arron Banks and Nigel Farage; Credit: 麻豆约拍)