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What exactly is Web 2.0?

I don't get it. I don't understand what Web 2.0 is.

Joel Spolsky claims it is just another meaningless buzzword.

Tim O'Rielly isn't so sure. , as he explains in the article. Web 2.0 is like a series of applications, according to him, that exhibit these sort of features:

  • Services, not packaged software, with cost-effective scalability
  • Control over unique, hard-to-recreate data sources that get richer as more people use them
  • Trusting users as co-developers
  • Harnessing collective intelligence
  • Leveraging the long tail through customer self-service
  • Software above the level of a single device
  • Lightweight user interfaces, development models, AND business models

The gist I get from this is that web 2.0 is intelligent applications.

Jesee Warden illustrated my confusion quite nicely.

Some people seem to think that Web 2.0 is synonmous with Rich Internet Applications, a term used commonly by Macromedia as a way to push their Flash player. AJAX / DHTML is another end route to the RIA world. Google has some great AJAX apps such as their personalized home page and

I just read through this article from Business 2 talking about the new tech boon. The article predicts that another rise in IT dominance will come, and this time we'll have a business model. Does Web 2.0 fit in there somewhere? I suspect it could, if it wasn't just another buzzword.

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