MP3 Going the Way of the 8-Track?

joepa writes "According to this MSN/ZDNet story, MP3 is dying. Overall, the data has not shown a clear trend, but at least one recent study reports that people are deleting MP3s faster than they are downloading them. AAC and WMA, meanwhile, are apparently gaining market share. Is this evidence that MP3 is being used largely to sample music rather than for permanent archival and listening purposes? They still don't think so. "