This is an amazing illumination of the Web 2.0 space that’s worth downloading (8920kb) and spending some time with. One caveat: there are links out to many of the influences he mentions so exploring this could keep you busy for a while. Ed Yourdon, who created this mind-map, is a forty year software industry veteran and author of 27 computer-related books and over 550 technical articles. On his blog Ed writes, “It’s been a while since I’ve updated my Web 2.0 mind-map, and lots of things have been happening; I’ve presented a two-day seminar on Web 2.0 in Rome, attended the big Web 2.0 “Summit” conference in San Francisco, and download several more articles and blog postings.” You can download the latest version (Web2.0v032 - 3.07) here.