Black Hat SEO: Basics of Private Blog Networks: Basics of Private Blog Networks and SEO Hacking (English Edition)

A private blog network (PBN ) is a set of domains that you or another individual owns. It is possible to have a PBN consisting of free blogs, like wordpress.com, tumbr.com, or livejournal.com. A PBN is powerful because you control the content and you control the links within the domain.