A friend just brought this URL to my attention. Apparently oil traders have special body language of signals and shouts, which is a limited sign language by itself.
You can view a flash demonstration of the signals by Raymond Carbone at the New York Times:
http://www.nytimes.com/interactive/2008/04/07/opinion/20080407_TRADING_GRAPHIC.html
It reminds me of the sign language soldiers use to speak with each other on the field. You can read more on that one in FM 21-60. Visual Signals [PDF], also here and here. As far as the American military goes, anyway. Also, take into consideration this doesn't include all known signs, and if taking soldiers from different units differences in meaning/interpretation and implementation are likely.
Pinky.
Wednesday, April 9, 2008
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