DOCTORCROWD is a research unit, an online persona and an actual human being (S. Massa), collecting materials mainly related to crowd dynamics, cities, collective behavior, public space, urban environments, spatial devices, theoretical and physical landscapes, utopia and dystopia, complexity, multiplicity, chaos theory, patterns, order, disorder, clouds, particles, flows, information, visualization... Doctorcrowd curates two more blogs: Haptic Dystopia and Curated Curator