Just discovered this information and found it confirms my suspicions on many of the link building parts to prevent. Fab article Brian! Definitely can advise the blogger outreach methodology – it normally appears to transfer the needle for us and feels super white-hat. One of my most favored posts http://what-is-pa-and-da-in-seo83603.fitnell.com/33151216/new-step-by-step-map-for-link-building-service-p