Digital Watermarks 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.

Digital Watermarks

November 17, 200012:00 AM ET

Heard on All Things Considered

Digital Watermarks

Audio will be available later today.

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.