Today I visited caffe sospeso...
Beautiful, napolitan tradition to order additional coffe - in suspense - sospeso - for someone, who cannot afford it. Page linked above, mentions that this tradition is less popular now. What a pity! At least it spreads outside Naples, for example here
On the wall is a blackboard, on which, marked with chalk, is number of "suspended" coffees. After my order, it has been changed to two ..
Have a nice day my unknown friend :)