When Google declared it had re-engineered its search formula two weeks ago, the spotlight was understandably on the likely losers.The main problem, after all, was the proliferation of Web sites designed less for readers than as bait for search-generated traffic — and thus ad revenue. A lot of their articles are copied from elsewhere or hastily written and filled with popular search terms. “Weed Out Drivel” was the money phrase in the headline on The Times’s article.
http://bits.blogs.nytimes.com/2011/03/11/where-googles-algorithm-overhaul-is-good-news/