When 6 asks Scat if he came up with any new idea, they have an argument while leaving the building. 6 holds her cellphone in the left hand. In the next shot the cellphone vanishes.
The promotional idea of the vending machine tipping over, then leading to the slogan "It really is better if you pay for it" gets born at 37:09min. But long before this inspiration, in the boardroom scene starting at 13:00min, there already is a promotional display up on an easel featuring the slogan long before it, in a beleaguered way, came to reality after a slogging five-day brainstorming period.