Physics teacher Wellington Grey visualizes the internet as the Periodic Table of Elements. This dates back to June 2007 but I just discovered it via a Tweet from DK of MediaSnackers.
Click over to Wellington's Miscellania site for a large, clickable version of the table.
Other Internet Infographics that I've blogged about:
The internet as the Toyko Subway Map.
The internet as an old world-style World Map.
