Send us direct link to see for what is about.I did a free one on Udemy. It's like 6 video lectures.
Someone already posted it aboveSend us direct link to see for what is about.![]()
Check out this thread http://www.blackhatworld.com/seo/how-to-build-your-own-pbn-a-quick-guide-for-newbies.813358/. I think it may helpful to you.