Here we go again with the Google Panda and now we will tackle about "Unraveling panda patterns" posted by Bill Slaski from the Moz blog site. But I'm wondering about the duplicate content that is 25-30% on the web according to Google and how can they determine whether it is quality or not in the searches despite of having the same issues in other websites. Well its up to you to think about this matter and kindly visit this link for your reference about the interesting content. Unraveling Panda Patterns - Moz