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?

Some internet users have also accused AE of ripping off a 1980s Calvin Klein ad campaign starring supermodel Brooke Shields, SJ Denim reported. The ad showed a 14-year-old Shields rolling on the floor and trying to put on her jeans while discussing how “the secret of life lies behind the genetic code.”