Confused about the long tail?
Dr. Garfield posted the citation to this article on ASIS&T's SIGMETRICS DL
MEJ Newman. "Power laws, Pareto distributions and Zipf's law" Contemporary Physics
v46 n5 (September 2005): 323-51. doi:10.1080/00107510500052444
The link in the title is only for subscribers via metapress (it's a T&F title)
Anyway, don't let its presence in a physics journal throw you, it's actually a nice little overview of power law distributions. Since blog popularity also seems to follow this distribution, you've probably heard about this if you've been around in the blogosphere.
Update: 12/15 Courtesy of QLB on the discussion list, it's also available (free!) on cond-mat