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Journal Article Social Media and Political Change: Capacity, Constraint, and Consequence Get access Philip N. Howard, Philip N. Howard 1Department of Communication, University of Washington, Seattle, WA 98195-3740, USA Search for other works by this author on: Oxford Academic Google Scholar Malcolm R. Parks Malcolm R. Parks 1Department of Communication, University of Washington, Seattle, WA 98195-3740, USA Search for other works by this author on: Oxford Academic Google Scholar Journal of Communication, Volume 62, Issue 2, April 2012, Pages 359–362, https://doi.org/10.1111/j.1460-2466.2012.01626.x Published: 28 February 2012
Howard et al. (Tue,) studied this question.