Today blog-related visualities.

1. Score Bard's periodic table of the blogs.

Author's own explanations:

"This is my blogroll. It's not meant to be authoritative or representative. It's just a color-coded list of the blogs I like. [...] Now, I change it according to my whims. There are no rules.

Via Language Log

2. Paul Goyette's Chicago blogmap

Chicago blogs ployed on the subway map. The idea, as I understood, was borrowed from "the incredibly spiffy" D.C. metro blog map.

3. HitMaps' geographical map of blog visitors

The map shows individual visits, clustered within a given distance. The location of visit is based on the IP address of the computer used.

HitMaps

Here is a world map for Mathemagenic blog, where I found this feature.