The Guardian: “At midnight on Tuesday, the Great Firewall of China, the vast apparatus that limits the country’s internet, appeared to descend on Hong Kong. Unveiling expanded police powers as part of a contentious new national security law, the Hong Kong government enabled police to censor online speech and force internet service providers to hand over user information and shut down platforms. Many residents, already anxious since the law took effect last week, rushed to erase their digital footprint of any signs of dissent or support for the last year of protests. Charles Mok, a pro-democracy lawmaker who represents the technology sector, tweeted: “We are already behind the de facto firewall.” Hong Kong is facing a dramatic decline of one of its most important advantages – a free and open internet – a defining trait that sets it apart from mainland China where Facebook, Twitter, Google and most major foreign news sites are blocked…”