Creating and scaling Spotify’s Discover Weekly playlist

Discover Weekly is a personalized mixtape of 30 highly personalized songs that’s curated and delivered to Spotify’s 100M active users every Monday. It’s received high acclaim in the press and reached over 5B streams from 40M users since launch. In this talk we dive into the narrative of how Discover Weekly came to be, highlighting technical challenges, data-driven development, and the machine learning models used to power our recommendations engine.