Went to drop off some bills at the big post office here in NYC...I was confused about why there was a LINE to just drop off letters in the slot...then I realized the guy at the slot was putting in a stack of letters ONE AT A TIME while a line is forming behind him!! Everyone was looking at each other rolling their eyes and then finally a woman just walked up next to him and put her letters in. We all followed as he stood there doing his ONE BY ONE.