Twitter Sold Data Access to Cambridge Analytica–Linked Researcher

Twitter Inc. sold data access to the Cambridge University academic who also obtained millions of Facebook Inc. users’ information that was later passed to a political consulting firm without the users’ consent. Aleksandr Kogan, who created a personality quiz on Facebook to harvest information later used by Cambridge Analytica, established his own commercial enterprise, Global Science Research (GSR). That firm was granted access to large-scale public Twitter data, covering months of posts, for one day in 2015, according to Twitter. -- More..