For the recording industry, the development of the technology that allows music to be shared via the internet has turned out to have a sting in its tail. Many more people are listening - but they're not paying for the pleasure. NPR's David Kestenbaum reports on the industry's efforts to prevent unauthorized copying of its merchandize by using something called a 'digital watermark' - and the attempts by critics to shpow it doesn't work.
Copyright 2000 NPR
