We've been waiting for Trent Reznor's next digital move, and here it is: Niggy Tardust, an album by Saul Williams. It's free in MP3, $5 in higher quality and produced by Reznor.
Reznor is quick to point out he's not merely using Williams as a stalking-horse to try out the idea:
When Reznor says "the exact same thing", presumably that's not including the eye-wateringly expensive physical version. Presumably.