By CLAIRE CAIN MILLER, New York Times
Google said Thursday that it had made a major change to its algorithm in an effort to improve the rankings of high-quality Web sites in its search results — and to reduce the visibility of low-quality sites. While the company did not say so explicitly, the change appears to be directed in part at so-called content farms like eHow and Answerbag, that generate articles based on popular search queries so they will rise to the top of the rankings and attract clicks.
http://bits.blogs.nytimes.com/2011/02/25/google-tweaks-algorithm-to-push-down-low-quality-sites/
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