Noting the change in popularity can be seen as the month comes closer to its end because re-ranking of the listings, in order of popularity, is done at the beginning of the month.

This ranking system is not absolute, because, while Alexa is legit, it only logs the visits of more technically savvy Internet users who have downloaded and use the Alexa toolbar. Also, it measures the top-level domain's traffic, so a libertarian blog on Blogger.com, for instance, is not included here because that traffic result would include all bloggers and not just the libertarian.

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