[mtgx]

The Guardian's original article on this says that number was shown in documents from 2015 [1]. However, the whistleblower said that by now it should be over 230 million [2].

[1] https://www.theguardian.com/news/2018/mar/17/cambridge-analy...

[2] https://www.theguardian.com/news/2018/mar/17/data-war-whistl...