Peter Sheridan Dodds et al., “Temporal Patterns of Happiness and Information in a Global Social Network: Hedonometrics and Twitter,” PloS ONE6, no. 12 (2011): e26752. См. также Riccardo Fusaroli et al., “Timescales of Massive Human Entrainment,” PloS ONE10, no. 4 (2015): e0122742.