Joana Gonçalves de Sá explained how fake news has influenced electoral results and conditioned our most private choices in a particularly dangerous way concerning health. In 2019, science was able to better understand what makes us believe false news and also contribute to spreading it. Joana Gonçalves de Sá's ambitious project received 1.5 million euros from the European Research Council to create more knowledge about this epidemic fueled by the digital revolution, with consequences that are still difficult to anticipate. For the researcher, we are in the Stone Age of the Digital Revolution, stressing that one day, if all goes well, we will look at this period with shame.