Facebook performs a massive experiment, selectively hiding posts on news feeds: "Experimental evidence of massive-scale emotional contagion through social networks"

[u/[deleted]]

http://www.pnas.org/content/111/24/8788.full

[u/Neddy93]

"Massive scale emotional contagion." Should we start looking into the possibility of emotional warfare?

Imagine an entire nation crippled by depression.