How Our Grandparents Perceive the World as Unchanging

Men can know a thing and yet know it quite ineffectively if it contradicts the general traditions and habits in which they live. [...] ONE of the most striking differences between the outlook of our grandparents and that of a modern intelligence today is the modification of time values that has occurred. By the measure of our knowledge their time-scale was extremely shallow. They had scarcely any historical perspective at all. They looked back to a past of a few thousand years and at the v...

 The Majority Illusion in Social Networks

Social behaviors are often contagious, spreading through a population as individuals imitate the decisions and choices of others. A variety of global phenomena, from innovation adoption to the emergence of social norms and political movements, arise as a result of people following a simple local rule, such as copy what others are doing. However, individuals often lack global knowledge of the behaviors of others and must estimate them from the observations of their friends' behaviors. In some ...