Each listing includes: information from Geedge about daily traffic and unique IP connections; information from Censored Planet about contemporaneous protocol blocking; and information from Apple Censorship about contemporaneous app store availability.

¹ Skype for Business is the only Skype service for which Apple Censorship provided relevant App Store data, but contemporaneous media reporting suggests that Skype was indeed generally available in China at the time.

² Zoom for Workplace and Zoom Rooms are the only Zoom services for which Apple Censorship provided relevant App Store data.

³ “Messenger” refers to Facebook Messenger.

⁴ The domain gmail.com itself does not appear to be blocked under any of these mechanisms; however, when you type “gmail.com” into your browser, you are redirected to mail.google.com, which is blocked under the google.com domain name.

Caption information

Each listing includes: information from Geedge about daily traffic and unique IP connections; information from Censored Planet about contemporaneous protocol blocking; and information from Apple Censorship about contemporaneous app store availability.

¹ Skype for Business is the only Skype service for which Apple Censorship provided relevant App Store data, but contemporaneous media reporting suggests that Skype was indeed generally available in China at the time.

² Zoom for Workplace and Zoom Rooms are the only Zoom services for which Apple Censorship provided relevant App Store data.

³ “Messenger” refers to Facebook Messenger.

⁴ The domain gmail.com itself does not appear to be blocked under any of these mechanisms; however, when you type “gmail.com” into your browser, you are redirected to mail.google.com, which is blocked under the google.com domain name.