Umm lol
I don't have a screenie but heres a good one:
noob: Ok, I know how to dupe. You see that spot on the ground, you need to walk there in EXACTLY 5 steps, cycle through your skills, and drop your best item.
me: Blizzard has no way to detect how many graphical steps your character takes retard, that's client side.
noob: no no I work for blizzard I'm just being nice.
me: you do know that Blizz employies sign contracts forbidding them to exploit their own games.
noob: OMFG JUST DO IT AND DROP YOUR BEST ITEM.
me: *does it* *drops pot of health*
noob: OMFG I'M GONNA BAN YOUR CD-KEY NOOB.
me: k.
Noob has left the game.
me: Retard.