It is certainly an interesting problem. I don't know that I have the solution. I agree with everything you said about the problem around finding a good reward.

It is certainly an interesting problem. I don't know that I have the solution. I agree with everything you said about the problem around finding a good reward. However, coffee drinkers can be picky. It would not motivate me, but then again I am not sure what would other than the benefit of doing my friend and the customer a favor.