[Shenglong]

I think it's more - sometimes you want to, sometimes you don't want to pay for a cup of coffee. Though, I don't think the experiment is to see if people are willing to give coffee to those who can't pay for it.

It's an experiment on social contribution, if I'm correct. Even though you can leech (and some will), a good amount of people might ultimately add more money than they spend from it. But why? Everyone is anonymous (kind of), and it's not like you have external pressure to be good.

If the amount on the card stays positive, you may have renewed my faith in at least a portion of mankind, Jonathan Stark.