Back in January, I briefly mentioned Herdict, a web-based tool built by the Harvard Berkman Center for Internet and Society that aims to collect and aggregate data on web blocking and filtering. Using the magic of crowdsourcing, Herdict displays information in real time about where in the world various websites are inaccessible and why. To celebrate the launch of the site, the Herdict team has produced the video below, which explains how the site works using sheep puppets and a comical voiceover from Herdict creator Jonathan Zittrain:
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