A sign for this season

The Big O. is finally getting with it:

Big O sign

John of PowerLine Blog has an idea:

I doubt that it will catch on. If we do get to the point, though, that Obamamaniacs are walking down the street flashing the “O,” we non-cultists should think of a responsive gesture. Maybe something that only requires one hand.

Something to do with one of the fingers, I think.