https://www.vox.com/technology/2018/4/2/17183708/mark-zuckerberg-facebook-tim-cook-apple

Cook attacked Facebook for how it handles user data, calling users the social platform’s “product.”

Facebook CEO Mark Zuckerberg rejected Apple CEO Tim Cook’s critique of his company’s business model, which Cook characterized as a scheme to monetize customers, calling it “glib” and “not aligned with the truth.”