I will register 20 mixed web 2.0 PA 28 plus in separate email address,
Best SEO strategy in 2016 is WEB 2.0 PBN
This is not Fresh WEB 2.0
This is Aged WEB 2.0 , Have minimum PA 28 plus !
More than 10 properties , So web 2.0 domain will be varied
You will have full control of these blogs, so you can put your unlimited keyword and Urls
Using expired web 2.0 that can make you to get high rank on google with very easy !