Since shutting down most pirate sites is impossible, Germany’s ISPs are given a secret list of pirate domains to block, which in theory hides the existence of the pirate sites from internet users. After it emerged that a local ISP had accidentally exposed the list to the public for the last 10 months, the unintended transparency was quietly yet swiftly reversed. This response provides another point for debate as site-blocking proposals heat up in the United States.