Yesterday, Chris wrote about the new Yahoo My Web social search network. I expect many will be excited over the tagging component, but I remain dubious for many reasons which I cover in another article (link up shortly) I posted today. But whether tagging works is beside the main point. What deserves the most attention, the real key development, are the trust networks for knowledge Yahoo hopes to create. I got a tour of the new system while it was in development, when I was visiting at Yahoo last month. After seeing what was planned, I remarked to Yahoo senior...

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