The document provides an overview of internet censorship in China through the "Great Firewall". It discusses how the Great Firewall aims to restrict access to foreign websites and monitor internet usage according to the state. While censorship can benefit society in some ways, China's Great Firewall poses threats such as reducing free expression and privacy. The document also examines reasons China cites for the firewall, such as protecting its economy and maintaining political order, but notes it could be used to stifle opposition. Risks of the Great Firewall include giving authorities power to silently block content and promote only state-sanctioned views.