Table 1. Scaling exponents for the two samples of controversial and peaceful articles, and users.

Low M articles	0.89±0.02	–	–
High M articles	0.56±0.01	2.83±0.06	0.97±0.01
Users	0.46±0.01	3.05±0.03	1.44±0.01

Edit patterns of controversial articles and activity patterns of users show all the expected features of bursty correlated processes.