http://www.aclu.org/pizza/images/screen.swf
seems to be the direction we are heading . . .
This has been around for years now. Still pretty good though.
I will never forget the guy who called and was astounded that we had hooked caller ID up to the POS and got his address and info from that. He went on and on about how it was completely illegal. I had to bite my tongue to keep from asking if he wanted a tin foil hat with his order.