Unblock Social Networking Sites

How to unblock social networking sites like Facebook, Twitter, Instagram, Tumblr, Friendster, Pinterest, etc ? Social networking sites are the most visited websites on Internet and for this they are commonly blocked in schools, officies, universities, and even in some countries. The main problem of social networking sites is that they distract the students and the workers. We have created a detailed article that explains how to access blocked sites, but if you want to know how to unblock social network sites, read below: