I highly suggest this practical guide: http://nathanbarry.com/authority/ http://nathanbarry.com/authority/ It worked for me in 2013 More info on how it ended:

I highly suggest this practical guide: http://nathanbarry.com/authority/ http://nathanbarry.com/authority/ It worked for me in 2013 More info on how it ended: http://nathanbarry.com/authority-case-studies/ http://nathanbarry.com/authority-case-studies/