Would you buy a used MP3?
A company called ReDigi tried to open a used MP3 business, presumably where you could find copies of Lou Bega's folder of mp3s for under a dollar, and maybe buy a t-shirt with a pot leaf on it.
Kidding of course—ReDigi was a website with a "media manager" that you could download. The "media manager" enabled you to access a marketplace, where you could purchase "used" digital files from other users, and sell your own. It was designed, supposedly, so that once you'd sold a song, you wouldn't be able to hold onto it any longer.
A Judge found this situation a little suspect:
None