What made Discover Weekly one of our most successful feature launches to date?

This post details the genesis and early learnings of Discover Weekly, a highly successful personalized playlist feature. It highlights the iterative process of combining existing concepts ('Play it Forward' playlist from Year in Music and the 'Discover' page) to create a new user experience. Key technical and product insights include the importance of playlist simplicity and 'humanness,' the impact of weekly refreshes on habit formation, the role of personalized imagery in creating ownership, and the validation of underlying personalization technology through user feedback. It also emphasizes the crucial involvement of marketing and design teams early in the development process.