BREAKING: New details about Aleksandr Kogan's research. A different personality quiz he was using to pull @facebook data via its API in St Petersburg in summer 2014. To measure - gulp - the "dark triad": psychopathy, narcissism, machiavellianism

BREAKING: New details about Aleksandr Kogan's research. A different personality quiz he was using to pull @facebook data via its API in St Petersburg in summer 2014. To measure - gulp - the "dark triad": psychopathy, narcissism, machiavellianism pic.twitter.com/cZoT23zRlJ

— Carole Cadwalladr (@carolecadwalla) March 20, 2018