In April 2019 Cadwalladr gave a fifteen-minute long TED talk about the links between Facebook and Brexit, titled "Facebook's role in Brexit — and the threat to democracy".[9] According to Cadwalladr she delivered the talk directly to the people she described as "'the Gods of Silicon Valley: Mark Zuckerberg, Sheryl Sandberg, Larry Page, Sergey Brin and Jack Dorsey'. The founders of Facebook and Google – who were sponsoring the conference – and the co-founder of Twitter – who was speaking at it."[10] She summarised her speech in an article in The Observer: "as things stood, I didn’t think it was possible to have free and fair elections ever again. That liberal democracy was broken.