I will occasionally sit upright for a short time if I wish to be more visible or attract attention of any kind in the daytime (unless blinding, lights can be ignorable by whoever chooses to do so). Works quite well with motorists taking their half out of the middle (they also get a slightly downstretched arm with the index finger pointing towards their lane if they push their luck) and joggers obsessed with their iPods.
Either method is legal, neither is offensive, and they can prevent a potential accident/collision.
-Kurt
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Last edited by cudak888; 12-25-08 at 11:28 PM.