The Internet is not the Internet anymore – It’s becoming an “Architecture for Participation” , but only if you relate to it as that.. Otherwise, it's one big-ass billboard. What's making it an "Architecture for Participation" (I got that expression from Tim O'Reilly in his article, "What is Web 2.0?" ... and that's the 3rd link to the same place, so hopefully you've now clicked on at least one of them...) Amber MacArthur and her podcast "Inside the Net" are a key resource for me (also love Command N , but I don't want to get too crazy here), particulalry for finding specific Web 2.0 stuff, and for seeing how the tools can actually be used. What is Web 2.0? First, Web 2.0 is an attitude, not a technology. There alot to say about it, but you can see from O'Reilley's (OK, that's now the 4th link) Meme Map, it doesn't really boil down to a brief description: Web 2.0 includes things like: Blogs ( www.blogger.com , www....