I don't know if this is an RIAA-initiated move, but the last few times I have tried to download songs from KaZaa, I keep received "sabotaged files." Essentially, these are MP3s that will play the first few seconds or even a minute of the song normally, but the rest of the file is corrupt; the corruption can be high-pitched ringing and/or skipping noises, or static, or an infinite loop or even silence. An inconvenience to the peer-sharer, it means they have to scour for a non-skipping, non-sabotaged copy of the song.
What I don't get is why file sharers won't take advantage of KaZaa's built-in "ranking" system. Users can label songs, especially the sabotaged ones as "Poor," so that users won't waste their time or bandwidth downloading them. On the other hand, it's so much easier to delete the song than to keep it uselessly.
But for reasons already stated, I'm not fond of wasting $15-20 on a CD that gives me less than lackluster music performance. That's probably why my CD collection sits atop my stereo collecting dust; I made the mistake one too many times of buying a CD for those one or two songs I really liked, so I'm much less likely to buy a CD unless I'm really intrigued.
Of course, if I get some spare cash, I plan on buying Norah Jones' debut; I meant to do it a while back, but alas, I'm broke. And if anything that testifies to some degree of necessity for file sharing -- when users find stuff they like (and not just that one song on the radio), it could very well influence our retail behavior. But, again, it's so much easier to say that (overall) the music industry's losing money...
But hey, if Hilary Duff can have the #1 album this week -- egad -- why waste my money again?