From Boing Boing: A Directory of Wonderful Things

"... Man, this is disappointing. Every US resident who bought a CD in the US between 1995 and 2000 is entitled to up to $20 from the music cartel as part of a court-mandated settlement over the labels' illegal price-fixing, which is one way that the music industry has ripped off the public.

All you need to do is sign up at this site, and the RIAA will mail you a check. If so many people sign up that the settlement ends up getting spread too thin, the RIAA will mail charitable organizations the checks instead. You can't lose! ..."