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The lecture will concern dynamics of two different processes occurring in social networks: the flow of information and the process of evaluation. Similarities and differences in how networks structure shapes the spread of information and governs social influence in the process of evaluation will be ...

In most of social sciences prediction is based on extrapolation of central tendencies. In reality, almost everything that is important is the consequence of a rare event. The alphabet model describes how seemingly unimportant rare events may govern social dynamics.