The music and movie industries have been waging war against file-sharing for years, asserting this popular activity has produced an epidemic of online copyright infringement. The war, however, has not gone well. The content industries have spent vast sums of money in repeated legal attacks without putting any real dent in the amount of allegedly infringing file-sharing.

Now, however, these content industries are trying a new, less confrontational strategy. And this time, the industry may finally succeed in suppressing infringing file-sharing.