There are many Problems what a user face while using facebook. These problems could be related to hacking, unwanted users, spamming etc. These problems can be resolved using "facebook security and privacy settings" which is offered by the facebook itself. In this presentation, you will be having a fair view of how to configure your facebook security and privacy settings and what facebook is Exactly! For more details, you can visit here: http://bit.ly/2kEkIrU