The popularity of Cadillac's Escalade among well known athletes and celebrities exemplifies how brands can be built through ________.

A) social phenomena
B) viral marketing
C) aesthetic features
D) product history

The popularity of Cadillac's Escalade among well known athletes and celebrities is an example of social phenomena, where individuals are influenced by the actions and opinions of others in their social group or society. The endorsement of the Escalade by famous people enhances its status and image, making it more desirable to the public. This contributes to the building of the brand through creating a sense of exclusivity and social identity associated with the vehicle.