KEY POINTS
  • In a blog post, Facebook says Cambridge Analytica used data passed to it by the maker of a psychology app, against Facebook guidelines.
  • Cambridge Analytica had told Facebook it deleted that data, but Facebook says it recently got reports that the data had not been fully deleted.
  • The Trump campaign paid Cambridge Analytica more than $6 million to help it target voters through ads on Facebook.
Mark Zuckerberg, chief executive officer and founder of Facebook

Facebook has suspended Cambridge Analytica, a political data analytics firm that worked on Facebook ads for President Donald Trump during the 2016 presidential election, saying that it lied about deleting user data sent to it by the makers of a popular psychology test app.

In a blog post that went up late Friday night, Facebook explained that a University of Cambridge psychology professor, Dr. Aleksandr Kogan, created an app called "thisisyourdigitallife," which asked users to answer questions to build a psychological profile.