Far more than 87 million people may have had their Facebook data harvested by Cambridge Analytica, according to evidence from former employee Brittany Kaiser. Speaking to the Department for Digital, Culture, Media and Sport select committee, Kaiser said Cambridge Analytica had a suite of personality quizzes designed to extract personal data from the social network, of which Aleksandr Kogan's This Is Your Digital Life app was just one example. In evidence provided to the committee, Kaiser wrote: "The Kogan/GSR datasets and questionnaires were not the only Facebook-connected questionnaires and datasets which Cambridge Analytica used. I am aware in a general sense of a wide range of surveys which were done by CA or its partners, usually with a Facebook login – for example, the'sex compass' quiz. "I do not know the specifics of these surveys or how the data was acquired or processed.