McAdam, Doug, “Recruitment to High-Risk Activism: The Case of Freedom Summer”, American Journal of Sociology 92, no. 1 (July 1986), p. 71, http://www.jstor.org/stable /2779717. Спасибо Дж. Натану Матиасу, напомнившему мне о работах МакАдама; см. Matias, J. Nathan, “Were All Those Rainbow Profile Photos Another Facebook Study?”, Atlantic, June 28, 2015, http://www.theatlantic.com/technology/archive/2015/06/were-all-those-rainbow-profile-photos-another-facebook-experiment/397088.
