From one of the world’s leading data scientists, a landmark tour ofthe new science of idea flow, offering revolutionary insights into the mysteries of collective intelligence and social influence.
"Excellent intro, but overly ambitious conclusions"
People generally assume that when they consider another person a “friend,” that person also thinks of them as a friend. In other words, friendship is reciprocal. But when we analyzed self-reported relationship surveys from several experiments around the world, we found that while most people assume friendships are two-way, only about half of friendships are indeed reciprocal.