Submission + - Map of the web 2.0
ocean_soul writes: "Some time ago xkcd webcomic had a map of the internet. Now they have a map of web 2.0 (or, like they call it, the online communities). The surface of each region represents the number of memeberships. The different "countries" aren't just randomly placed on the map, there is a nice compass-rose-shaped island explaining the ordering of communities."