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"It's fine for Google to eliminate junk blog networks, especially if the content there is worthless or written solely by non-native English speakers. Actually, a lot of the good blog interfaces have survived mostly unscathed. Those are the blogs with good content to begin with.   \r\n\r\nThe main issue I have with the updates is really the quality of sites showing up now. Not in every niche of course, but it seems the algo update has actually hurt search results. Who say having an SEO, working diligently to create good links and good content won't create a better site than an individual just posting content randomly. Well, Google does....\r\n\r\nThe last algorithm update was targeted not just at external factors (link) but also at on-page stuff. Sites with random internal linking and very \"natural\" (which to most would just seem messy) site structures are ranking like gang busters right now. I'd expect another update fairly soon to balance out the recent extremes of the last update."^^<http://www.w3.org/2001/XMLSchema#string>
<http://famousbloggers.net/link-building-networks.html>