Great Article on Google search positioning and blogs
I just read a great article at blogbusinessworld I think he’s got the right idea. Essentially, the point of the article is that blogs tend to interlink and form “content specific” communites. Political blogs would be a great example, usually there are a good deal of interlinkings between Political blogs. Since they are usually keyword rich it can help a sites search relevance in google by blogging and linking to (and being linked from) relevant and also highly linked to blogs.
In many ways this was essentially what personal web pages did once upon a time. Someone would put a web page up on a theme and then, over time updates. In 1997, on my Genealogy site, I would do occassional “what’s new” items to try to add content and keep the site looking maintained. His point is that with blogs, a site can regularly post keyword rich data, which is a good thing search engine wise. Also by being associated with relevant sites you increase the page ranking with Google’s Pagerank system. (More links to your site from relevant sites means better pagerank.)