Also, don't offer money. External motivators are disincentives. By offering $100, you are attaching a specific worth to the request, and undermining our own intrinsic motivations to help. Since allowing a reward to disincentivize a behavior is irrational, I'm curious how much effect it has on the LessWrong crowd; regardless, I would be surprised if anyone here tried to collect, so I don't see the point.
My understanding is that the mechanism by which this works lets you sidestep it pretty neatly by also doing basically similar things for free. That way you can credibly tell yourself that you would do it for free, and being paid is unrelated.
We've had these for a year, I'm sure we all know what to do by now.
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