The Cash Dude

I remember when I was young, probably about 7 to be honest, I asked my grandma how do cash machines make sure it gives you the right amount of money you asked for. She explained to me that there was a little man inside, all day, all night, counting out the money as people asked for it and pushed it through the hole.

I remember pondering for ages how on earth this man got in and out to eat and stuff..