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Re Freshness
I'm curious about Google's approach to freshness. Consider this:- - As Blogger is part of Google they have access to every update to every blogger blog as it happens. - Any Blog with Adsense adverts on it, gives them knowledge of new web pages containing ads very quickly. The first time somebody (including the author) requests that page, Google knows it hasn't been indexed. - Any Feed with Google Ads in it, does the same. - Google Sitemap provides a mechanism to ping Google when new pages appear. - Google could consume feeds from the Ping services like weblogs.com in the same way that Technorati and the others do. So I have to assume that Google is aware of the problem, and it has tools to make their index fresher. So maybe the big question is "why don't they". Where it gets interesting is in the area of news and tracking "Attention" or "Buzz". del.icio.us/popular in particular is a totally different approach. And this is in start contrast with googlenews, yahoonews and MSN News which seem to be largely just a tracker for Reuters and AP! There are responses to this message:
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