I do not think link building is dead but I think that it has changed a lot. PR means nothing and relevance, and MOZ DA are the most important thing IMO. However content supersedes link building. And post content on a consistent basis is important for a webmaster ranking and more importantly their readers.
I think Google is going to continue to change things up to drive the prices of their adwords up. IMO focusing of content is the best way to rank. Another thing is social media sharing is very important and I believe it impacts results.
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