Grocery Store

So there are two posts today, for the price of one.
Anyway, I was at the grocery store buying cookies giving the cashier the money when I actually noted (for I had notice before) the difference between this store and the ones in America.
In America, the cashier scans your stuff, tells you the price, you give them the money, they ring it up, and put it into the metal box manually. If change is involved they simple pull it from the metal box without much thought since the computer already did the math.
In Japan, most of it is done by a machine. The cashier scans the stuff and instead of opening the cashier box they feed the money into a plastic box that works like a vending machine. If there is change, the cashier vending machine spits it out without any button pressing from the cashier.
"The Japanese are probably going to be enslaved by the vending machine army in 3000." I think sarcastically. I mean they are every and everything. From snacks to drink to umbrellas to newspaper to electronics to panties. Yes, panties. Via the Vending Revolution!
P.S  
The ones in that station, you can buy stuff using your train pass. Cool right.