I was watching the closing ceremonies of the Olympics. There's
> something "wrong" with the flags. In an indoor stadium, they all flew
> straight out and in the same direction. When the British flag was
> raised, it wasn't out at all until it got to the top. Then, on cue,
> it became fully extended.
>
> They must be using some sort of air system inside the flag pole to
> blow the flags out, so they don't droop. I've never heard of such a
> thing. Pretty neat idea.
I think car dealerships with giant flags have been doing that for years.