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 ...

 Why Social Networks Fail

Identity management is what we all do, every day, consciously or unconsciously. We do it in-person, in face-to-face meetings at work, with our friends, and yes, even with our partners and lovers. But we do the vast majority of it consciously online. Identity management is simply the curation of the details of your life — what you choose to share, when and with whom. We’re doing it when we share a link on Facebook, or a video on YouTube. What network do we share this with? Who will see it...