Yeah, it is very hard to build PR. But I saw in some of the posts around here saying that if we are having quality out bound links in High PR sites, our sites also will get lower page ranks. is it? How far this true?Mockingbird said:That is partially true, qualified and relevant backlinks makes a difference, so does the relevance and match in content type. This is where seo ability is very valuable. the algorythm takes into consideration usefulness of content, relevance and traffic. It is hard to build PR but not impossible