Craig Silverman's stories have it all: lies, fraud and billions of stolen dollars. But they're far from a true crime podcast. The Toronto-based BuzzFeed media editor writes about fake news, the spread of misinformation on platforms and ad fraud, where every participant in the supply chain is a culprit passing on the blame. Silverman discusses the lack of incentive for marketers to speak up against ad fraud, Facebook's scale problem and more.