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A reader emails in response to our Web 2.0 to English series, "I fail to see the problem with Tim O'Reilly's primer. Anyone who's not an idiot needs no further explanation." As a Reader's Digest contributor, here's the condensed version of your email: Fail. For the rest of us idiots, I've whipped up a chart.

Web 2.0 is supposed to be so easy a baby can use it — hence the color scheme. But when the experts try to plot out what it all means, stand back. Here's Tim O'Reilly's early attempt, What is Web 2.0:

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Dion Hinchcliffe upped the ante in March with a post titled, Web 2.0 Software Models Evolve as the Conference Season Begins in Earnest. My takeaway: There's a conference season?

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I suppose I need to include this one:

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Enough already. I went back to O'Reilly's original post. The guy is sincerely brilliant, he just spends too much time editing advanced programming manuals. I started erasing parts of O'Reilly's diagram until I got down to what I think is the minimum for Mom:

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Any questions?