The “Pepsi Cool Cans” from 1990 refer to a promotional campaign by PepsiCo, the company behind the popular soft drink brand, Pepsi. The campaign involved a unique packaging design for Pepsi cans that aimed to capture the spirit of the 1990s youth culture and appeal to consumers in a novel way. The Cool Cans campaign utilized vibrant colors, distinctive patterns, and pop culture references to create a sense of excitement and trendiness.