EDIT: Oops, somehow missed that The Verge article on how Discover Weekly works had already been posted! It works on a variation of PageRank, where instead of l

EDIT: Oops, somehow missed that The Verge article on how Discover Weekly works had already been posted! It works on a variation of PageRank, where instead of links on pages, it uses songs in saved playlists. (If you have a playlist with lots of songs similar to someone else's playlist, you might like the songs in their playlist too. If a song is on lots of playlists, it's probably noteworthy, etc.)