270,000 people. then you connect all of their friends, and before you know it, you have 50 million facebook users' information. that's what was really remarkable about using this personality quiz to then go and grab so many people's data. now, cambridge analytica says we didn't use the facebook data to help the trump campaign, but a whistle blower named christopher wily begs to differ. he's given an interview to the guardian in the uk and in the u.s., and he says he has a lot of regrets about how he worked with cambridge analytica on this type of data project. he said this is insane, the company that created psychological profiles of 230 million americans, now they want to get contracts and work with the pentagon? it's like nixon on steroids. that's really why this matters now, ana. if the election is long over, 2016 election. but cambridge analytica and other companies like it are still working on harvesting vast amounts of data about voters, about individuals, and using it to target ads and information to us. in fact, cambridge analytica has