Table 1.
Frequency of first significant digits (FSD) expected by Benford’s Law.
Fig 1.
Distribution of first significant digits for Twitter (friends and followers), Google Plus, Pinterest followers, Facebook, and LiveJournal.
The black trend-line shows the value predicted by Benford’s Law for each FSD.
Table 2.
Pearson Correlation and p-values from Kolmogorov–Smirnov Tests between the distribution of first significant digits of friend/follower distributions of various social networks and values predicted by Benford’s Law.
Fig 2.
Distribution of first significant digits for Pinterest users’ following relationships.
The black trend-line shows the value predicted by Benford’s Law for each FSD.
Fig 3.
Example posts from one of the spam accounts we detected.
Fig 4.
Example posts from one of the Russian bot accounts we detected.