Web 2.0 Meme Map from O'Reilly
Awesome, read the whole thing to get the cool diagram.
From Read/Write Web: Web 2.0 Meme Map.:
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Tim O'Reilly has posted a meme map of Web 2.0, from the "What is Web 2.0?" brainstorming session at FOO Camp 2005. Hat-tip Josh for the link. It's kind of a business model map:
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