The Open Observatory of Network Interference has released its report on the errors made by T-Mobile USA Web Guard, an Internet censorship product that T-Mobile customers can opt into. Web Guard blocks the website for the Tor Project (an anti-censorship tool), an Italian page that is displayed to users blocked by Italy's national censoring firewall, the Internet Archive, the website for Cosmopolitan magazine, a Chinese sports news website, a site that helps you keep your referer information private, a French economics site, a 9/11 conspiracy site, a Greek political blog, and many others.

T-Mobile USA Web Guard (via /.)