<https://media.ccc.de/v/36c3-10936-inside_the_fake_like_factories> [...] In a longterm investigation we met and talked to various of these so called “clickworkers” - liking, watching, clicking Facebook, You Tube and Instagram for a small amount of money the whole day in their living room. Fortuitously we could access thousand campaigns, Facebook Fanpages, You Tube videos or Instagram accounts. Thousands of websites and accounts, for which somebody bought likes in the past years. But we did not stop the investigation there: We dived deeper into the Facebook Fake Accounts and Fake Likes universe, bought likes at various other Fake Likes sellers. To get the big picture, we also developed a statistical method to calculate the alleged total number of Facebok User IDs, with surprising results.