CNET has a very Interesting Story on those net ranking we all read so much about. I\'ve always questions many of these ratings, especially Statmarket, which seems to have a very biased sample. If you ever read the rankings, check out This Story
Experts blame the problem in part on the fact that there are several large ranking companies, primarily Media Metrix and Nielsen/NetRatings, and each company calculates rankings differently. For other media, one large ranking company provides undisputed data: Nielsen for television, Arbitron for radio and the Audit Bureau of Circulation for many print publications.