An interesting article I came across earlier today is that Google, the search engine giant has purchased Pyra Labs, the maker of Blogger.
http://weblog.siliconvalley.com/column/dangillmor/archives/000802.shtml#0008
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Kevin Lynch has an interesting view on this with a few links to some articles, links and blogs including Evan Williams (co-founder and recently ex-CEO of Pyra Labs)