Does PBN Networks worth the risk?

[siva s]

Google recently started to take action against private blog networks (PBNs). Basically, a private blog network is a gray hat/black hat tactic of using a set of sites under your control to implement links to other sites (your “money sites”). In today’s column, I will help you understand more about what PBNs are, and whether or not you need to worry about being hit by this type of penalty.