Miranda Priestly explains the history of cerulean

HN commenters cite it as shorthand for how trends and taste trickle down, and sometimes post it as a reflexive joke.

A two-minute clip from The Devil Wears Prada in which Miranda Priestly explains how the cerulean color of a casual sweater traces back through runway designers to the bargain bin. It is a monologue about how high fashion trickles down to mass-market clothing.