Ask in any pub put your hand up if you like Asians, you won't get one.

ECONOMIST: Race in Oldham

Put your hand up in the back, I know you remember this spot.

FORBES: Engagement Marketing Fever - Are Marketers Finally Catching It?

Were you to put up your hand, palm fully exposed as if making a stop sign, that could put you at a distinct disadvantage: impersonating a law-enforcement officer, or at least a crossing guard, without any weapons to back it up, and the driver for all you know with unaddressed anger-management issues behind the wheel of a 7, 000-pound Escalade.

WSJ: Yielding With a Purpose