title: A twenty-first century science.
authors.affiliation: Department of Sociology and the Institute for Social and Economic Research and Policy, Columbia University 420 W. 118th Street, 8th Floor, New York, NY 10027, USA.
authors.forename: Duncan J
authors.initials: DJ
authors.lastname: Watts
mesh_terms: D003142:Communication; D004467:Economics / Q000639:trends; D006801:Humans; D020407:Internet; D012919:Social Behavior; D012942:Social Sciences / Q000379:methods / Q000639:trends*