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Update - October, 2007: The visualization below is now rather antiquated. The most accurate, detailed, and up-to-date Web 2.0 visualization we have developed is presently located here. It has been reprinted in books, magazine, and blog posts around the world and is now our most popular Web 2.0 visualization.
I try to describe Web 2.0 as a term given to a natural emergence of related events, rather than some artificially imposed vision. I think that's a very true and crucially important aspect of Web 2.0.
It's now so clear that people are suddenly shifting their attention en masse to the Web for their computing needs. That is, instead of installing and maintaining a bunch of rapidly aging and non-integrated bits onto their personal computers.
People are finding that Web 2.0 places like Flickr, or Voo2do, and especially del.icio.us are terribly useful because they're always available, whenever they need it, anywhere they go, with their information.
And then there's the added value factor of putting your information into a highly social place. It becomes much, much more useful. People can leverage it, add value to it with comments, tagging, aggregation, bookmarking it, and so on. Your information, if you want, becomes part of the scene.
And with Web 2.0 apps, you still maintain control of your data. You haven't lost it at all, you've really just put it in context.
Yes, so Web 2.0 is such an engaging, lively, and useful place when compared to computing alone.
However, I still struggle to explain the Web 2.0 to my fellow technologists. It's hard to understand all the Web 2.0 forces and the way that they actually seem to fit together so nicely.
Web 2.0 is so much more than Google supplanting Microsoft with services that replace traditional software and just exchanging one market leader for another.
So I'm working on yet another visualization of Web 2.0. It's not the O'Reilly meme-map, it is a more traditional, concrete diagram of Web 2.0 that shows the people facing side and the content and services. And what's inside them.
It's not complete, or necessarily 100% correct. But it's a start. Please comment or change it, I'd like to get this right. And help more people understand Web 2.0.

This is a very cool framework! I love how you have been trying to
visualize web 2.0. Will have to soak in your chart and give you more
comments later. I thought you might like to check out www.blinklist.com,
another web 2.0 site that we recently launched. We would be very flattered
if you checked out our site given your passion and interest in the space.
Thanks for the kind words Mike.
Where is the diagram for easier illegal FBI and NSA tapping of unsuspecting
users? and the section about how the Web 2.0 community is willingly going
along with this govt farce??
Hi Dion,
Good start, the 'Face' section seems a little muddled though. I guess it
just feels like those five things don't really belong together.
Dion,
Why not replace RSS with OPML on the facing side?
Thanks for all your comments so far, they are very welcome here.
I wasn't completely happy with your version, nor Tim's, so I took the
liberty of coming up with a visualisation of my own.
Check it out on
http://blog.forret.com/blog/2005/09/web-20-mememap-overview.html
All
remarks are welcome!
Dion,
Sorry about that last comment... rental fingers.
Dion. I think your map is a great architectural / technical overview. Tim
O'Reilly's mime also a lot of merit. But both seem to me a little too
technical in their focus. I agree with the comment from voo2do that the
people / social software part -- coupled with the true KM it implies, is
the key driver of 'web 2.0' (e.g. semantic web redux!). Not sure if this
will add to the definition development or not, but for what it is worth,
here is my drawing of the information characteristics of web 2.0:
ht
tp://web2musings.blogspot.com/2005/09/envisioning-web-2.html
Here is my
stab at the the person & information intersection in Web 1.0 vs. 2.0
http://web2musings.blogspot.com/2005/09/in-beginning-we-hun
ted-and-gathered.html
First of all, I want to thank you for your efforts in developing this
shared conceptualization and visuallization of Next Generation Web.
Hi,
I have been closely tracking the development of Web 2.0 and I have the
following observation that I would like to share with you.
I AM NEW COMER
TELL ME HOW TO DESIGN THE WEB
Check out http://www.koolweb2.com
Architectural Visualization Design
801 visualisation
131 music visualisation
122 architectural visualisation
75 creative visualisation
67 3d visualisation
45 technique visualisation
144199 animation
31602 free animation
16987 flash animation
16580 3d animation
I appreciate that you've made it clear that web 2.0 is not just a chatoic
mishmash, but rather a controlled organization of content ..
The picture is not showing... can you update the link?
Thanks for very interesting article
Very nice visualization and picture of Web 2.0. Professional work.
Best
Romuald
I'm looking forward to another great articles.
Dion -- I think it's time to update this visualization. It seems much too
focused on formats and protocols, and doesn't really convey the importance
of the two cornerstones of Web 2.0: audience participation and the Web as a
platform.
Really useful diagram -I still feel that the challenge here is around
successfully implementing this into a robust framework for large
retaillers. I am a senior project managaer for a major UK multi-channel
retailler, currently looking at implementing many of these areas on our
site. However with turnover getting close to £1Billion on the site alone,
the stability and performance impact of these technologies on a site of
this scale is a real headache. CSS2/xHTML alone have proven difficult to
genuinely implement in a true cross-browser way that doesn't disciminate
against all users. Is there a danger that we could leave significant
usergroups behind in the surge towards this approach?
I'm looking forward to another great articles.
Great Ideas, Ill send you an email about this later.