Data & Society community members wrote individually about “Experimental evidence of massive-scale emotional contagion through social networks” (PNAS 2014 111 (24) 8788-8790) and the public controversy surrounding the study. Their comments are collected here:
danah boyd, What does the Facebook experiment teach us?
Kate Crawford, The Test We Can—and Should—Run on Facebook
Tarleton Gillespie, Facebook’s algorithm — why our assumptions are wrong, and our concerns are right
Anthony Townsend, The Ethics of Experimentation in the IoT
(Updated October 23, 2014.)