You can embed similar kinds of signatures in digital images as well:

   http://en.wikipedia.org/wiki/Digital_watermarking

  Although it is possible to strip a watermark from any image, detection is
somewhat unpredictable.

 -jmz


On 7/20/07, keith smith <klsmith2020@yahoo.com> wrote:
>
> Find Out If Your Printer is Spying on You
>
> Did you know that many (in fact, most) color laser printers are spying on
> you whenever you print a document?
>
> http://tech.yahoo.com/blogs/null/35239
>
>
>
>
> ------------------------
> Keith Smith
> (480) 584-4772
> PHP Programming <http://www.netcodeman.com/>
>
> ------------------------------
> Take the Internet to Go: Yahoo!Go puts the Internet in your pocket:<http://us.rd.yahoo.com/evt=48253/*http://mobile.yahoo.com/go?refer=1GNXIC>mail, news, photos & more.
>
>
> ---------------------------------------------------
> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us
> To subscribe, unsubscribe, or to change your mail settings:
> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>



-- 
.0000. communication.
.0001. development.
.0010. strategy.
.0100. appeal.

JOSHUA M. ZEIDNER
IT Consultant

( 602 ) 490 8006
jjzeidner@gmail.com