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Studies of Internet filtering, network interference, and other technologies and practices that impact freedom of expression online. 

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The Blocking of Vimeo in Indonesia

This blog post investigates the recent blocking of video-sharing site Vimeo in Indonesia and examines the ongoing efforts to regulate online content in the country

Asia Chats: LINE Censored Keywords Update

This report is the third in a series which analyzes regionally-based keyword censorship in LINE, a mobile messaging application developed by LINE Corporation. We document recent changes to the list of keywords used by LINE to trigger regionally-based keyword filtering for users with accounts registered to Chinese phone numbers.

Blue Coat Errors: Sites Miscategorized as “Pornography”

As a follow-up to our post about the number of sites miscategorized by SmartFilter, our tests with Blue Coat show that miscategorization is not a problem limited to a single product. We should be skeptical of any company’s claims that they are able to categorize much of the web accurately, or that their rate of “collateral damage” is very low.