An Audio Waterworld
The quest to secretly track music fans continues: <A HREF="http://www.philips.com">Royal Philips Electronics</A> and <A HREF="http://www.digimarc.com">Digimarc</A> announced last week that they have signed a new agreement that extends the licensing of Digimarc's digital watermarking patents to include audio applications as well as a broader range of video applications.