This document discusses social media products and their key features. It outlines popular social media websites like Facebook, Twitter, Instagram and their typical functions of sharing information, communicating, and meeting people. It describes different types of social media like personal blogs, photo sharing, and video sites. It also covers advertising methods like pay per click and banner ads. Legal and ethical issues with social media like libel, copyright and data protection are examined. The task is to research and describe three social networking websites, covering their purpose, content, typical users, revenue sources, and relevant legal issues.