Rube-Goldberg potato-chip-making vending machine

Here's a vending machine from Buenos Aires for Lay's potato chips that actually takes a real potato and makes it into chips right before your very eyes!

Lays - Vending Machine that makes chips from raw potato

Instead of putting coins in this vending machine a potato is inserted. The Lay's Machine opens its hatch and reveals a Rube Goldberg-like contraption that washes, peels, cuts and cooks the potato.  A balloon pops to give just a pinch of salt before being sealed in a Lay's potato chip bag.

Test driver

Here is an ambient ad in Argentina for Quilmes beer:

They set up six "stage" areas in front of clubs in Buenos Aires.  Instead of test driving a car, intoxicated club-goers were "test driving" a cab driver.  So tipsy people would get a free ride home on the condition they leave their vehicle at the club.