A crowd of people is facing the same direction while some hold their hands in the air.
The crowd is looking at the same thing.
There is a brawl happening.
A man racing his car.
Two dogs climb a tree.
Two girls are smiling
It may not be socially optimal to maximize consumption if people value the now more than the later.
A man and a woman sleep together on the couch.
One person walking down a street with multiple buildings.