It is up to me to prove myself innocent by asking eighteen different publishing companies through an automated system to revoke the automated claims. Each publisher has a month to reply, with no obligation to even do so. If even one of the eighteen publishers says ‘Nope’, then it’s back to square one.
— Independent musician Dan Bull, quoted by pioneering technology blog TorrentFreak as part of an eye-opening post exploring some of the problems with the DMCA compliance system set up by Google to police YouTube (Why YouTube’s automated copyright takedown system hurts artists).