https://www.cnet.com/news/cambridge-analytica-gathered-facebook-data-with-sex-compass-quiz-brittany-kaiser/

Data consultancy Cambridge Analytica acquired Facebook users' personal data through multiple quizes and questionnaires, including one called "sex compass," a former employee told a UK Parliament committee on Tuesday.

As a result, it's likely that the number of Facebook users affected by Cambridge Analytica's data-gatherizg activities far exceeds the previously stated figure of 87 million users, said Brittany Kaiser, who until January worked as a business director for the firm.