Have a look, URLs coupled with HTTP stacks can garner any info from any device capable of supporting java on the internet. <A HREF="http://www.javaworld.com/javaworld/jw-09-1999/jw-09-javadev.html" target="_blank">http://www.javaworld.com/javaworld/jw-09-1999/jw-09-javadev.html</A>