Yes! You read it correctly. If you didn't know that Facebook is also blacklisted by many.
Facebook is the Most Blacklisted site says a study.Facebook's reputation is harmed by Spams and Unwanted Ads. Facebook is suffering by a New Spam Application Everyday. Facebook's privacy was and still a issue. There are innumerable Fake accounts prevailing over there. These all factors had profited Facebook to grab the most blacklisted site!!..