Google recently released Penguin 4.0, and the Penguin filter now updates in real time. Columnist Marcus Miller explores what this means for SEO and link building. The post Authority & link building with real-time Penguin appeared first on Search Engine Land.
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via Search Engine Land: News & Info About SEO, PPC, SEM, Search Engines & Search Marketing http://searchengineland.com/authority-link-building-real-time-penguin-259584