what is PBN in SEO?

[jackluter]

Hello all,
Can anybody tell me what is PBN in SEO?

[llegrand]

google search for 
"PBN in SEO"
will bring you lots of info about Private Blog Network (PBN) and how to use it.

[seo11]

Private blog networks: A great way to get your site penalized

[itstrisha]

PBN stands for Private Blog Network. This refers to a unique blog different from the website that helps to increase ranking of the website by increasing traffic for the website.