Here’s a starting point:
That number has appeared quite a lot in the news the past week. Search around a bit and you’ll find out what it is and why it’s significant. i’ll give you a hint: DRM is evil.
PS: posting of that number supposedly violates the DMCA, but i’m not in the U.S. (the only country which has the DMCA), so you DMCA lawyers can kiss my a&&. :)