As of Q2 2015, there is still no convincing evidence that social shares affect Google rankings.
You might want to read that again. Be it tweets, re-tweets,FACEBOOK shares, or Google+ posts, there is just no solid evidence that they affect improvements in ranking positions.
In recent years there’s been a big shift in the SEO industry. Search agencies and others are pushing the merits of content marketing as an activity that can help drive SEO success…