The Honor System
Here’s an interesting example of the honor system applied to payment. Customers add up how much they owe themselves and drop their money into a fare box:
The thought was, someone can pour his own coffee, grab his own bagel, cut it himself, throw the money in, and walk out. We don’t touch 60 per cent of the transaction.”
Many more examples in the comments of this thread.
[via Boing Boing]