Wasn't there a post or (most probably) a comment recently (within a month or so) with an iceberg chart? It looked very much like this site, but I can't find the right subject. Someone even commented that one of the best links in the chart was to a fictional story on the site itself. For the life of me I can't recall what the subject of the iceberg was, except that I think it was technology related, but I did spend several hours digging through all the links.