American Eagle’s Sydney Sweeney campaign didn’t just add $200 million to the company’s market cap overnight. It reminded us that everything and nothing has changed about marketing. It turns out sex still sells. It always has and apparently always will. Nothing fancy about this strategy. That’s the lesson–or is it?

American Eagle has launched its largest-ever fall campaign starring Sydney Sweeney, emphasizing her physique through bold denim styling. The campaign, titled "Sydney Sweeney Has Gr