Dr. Whippy, had people queue despite the wet wet weather in the streets of Linz during ars electronica. The machine proffers soft scoop ice cream according to the perceived unhappiness level of the customer.
"Employing voice stress analysis of the user’s answers to specific
questions, varying degrees of unhappiness are measured and the
counteractive quantity of ice cream is dispensed: The more unhappy you
are, the more ice cream you need."
Cause ice cream makes everyone happy