China's We Chat "shadow-bans" messages with forbidden keywords, but only for China-based accounts

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The University of Toronto's Citizen Lab (previously) continues its excellent work, this time with a deep investigative piece on a sneaky form of censorship in China's popular We Chat service, where messages posted to group chats that contain words on a government blacklist are made invisible to other participants in the chat, while the original poster still sees it, giving the illusion that everyone's read the controverial message but no one found it worth commenting upon. Read the rest

Stamping Chinese banknotes with censorship-busting QR codes

An anonymous anti-censorship group is stamping Chinese banknotes with a QR code and the message "Scan and download software to break the Internet firewall." The stamps encode a URL for Freegate, a firewall-busting service. The stamps are widely suspected to be the work of Falun Gong, an outlawed religious sect that has a long history of supplying anti-censorship technology inside of mainland China, both to supply access to its own censored websites and to advertise the virtues of its belief-system to Chinese Internet users who are more interested in beating censorship than religion.

The money-stamping story has been big news in China, even attracting reportage in state-run media, where the comment-sections are full of Chinese Internet users complaining that the photos of the stamped money are too low-rez to be scanned in.

This isn't the first time that anti-corruption messages have been circulated through defaced currency: Ben Cohen of Ben & Jerry's fame runs the Stamp Stampede, which stamps messages condemning the Citizens United Supreme Court ruling, which opened the floodgates of unlimited, anonymous political campaign spending. Read the rest