Factfulness begins with a pop quiz of thirteen questions about the state of the world. Each question has three possible answers, labeled A, B, and C. For example In the last 20 years, the proportion of the world population living in extreme poverty has… A: almost doubled B: remained more or less the same C: almost halved Hans Rosling has posed questions such as this to audiences worldwide for the last two decades. Invariably, audiences perform worse than chimpanzees randomly picking bananas marked A, B, and C. There’s a tendency to audiences’ bad performances, however. They tend to assume that … Continue reading Factfulness | Book Review