Quote Originally Posted by Oisterboy View Post
Dunno why I didn't think of this before...Every packet you send from your computer (and recieve for that matter) has a Mac address. That address is SPECIFIC to YOUR machine. Therefore, if you were using their IP, or your own, they could still find out who you are using your Mac address.

Being away from my IT class for the summer made me forget :P

And yeah, odds are, the average user wouldn't know how to do that. But, its possible.
Plus, you cant' just come up to someone on the street and be like "I NEED TO SEE YOUR MAC ADDRESS, SIR." even if you're a cop.

Hell, I borrow wi-fi connections on my PSP.