A gas station/sandwich shop. Those who have been to a sheetz know if you see a long line of customers placing orders, you can e-butt your way into their system by knowing their MTO push button system and quickly order a sub before they finish.
Joe: "Damn look at the long MTO line at sheetz!"
Bill: "Don't worry man I know what I want."
(Punches in an order at lightning speed)
Joe: "Those obese individuals just got PWN3D."
Bill: "I totally H4x0R3D the system and got my jr. roast beef"