The folks over at Coca-Cola have continued their stranglehold on the two words “worldly” and “happiness.” Their latest marketing ploy is a custom built truck which delivers a free bottle of coke when someone presses the button on the back of the truck.  Watch the below video and you will have to admit, this is pretty ingenious. “A Coca-Cola delivery truck is converted into a happiness machine on wheels delivering “doses” of happiness in the streets of Rio De Janeiro, Brazil.”