Random acts of surprise

Located inside Japan’s Urban Design Center Kashiwa-no-ha, the Ogori cafe looks innocuous enough, but there’s a surprise in store. In a nutshell, you don’t get what you ordered; you get what the person before you ordered, and the person after you gets what you ordered. Thus, if you’re in on the game, you can choose to lavish the next customer with delicious treats or try your luck at being cheap. Either way, it’s an interesting experiment that explores surprise, kindness and encourages strangers to strike up conversation.

Ref. http://www.psfk.com/2009/10/ogori-cafe-service-with-a-surprise.html/ogori-cafe-service-with-a-surprise-3