Why did nobody prevent the events of September 11, 2001? Is the French secret service responsible for the attack on Charlie Hebdo? Was the first moon landing a fake? In the social media age such conspiracy theories are experiencing a digital renaissance. The abundance of contradictory and partly totally fictitious information that has been brought to us from a number of sources has created a jungle of information that will deprive us of any orientation. How and what and whom can we still believe?