TL;DRSpotify introduced two new features today: Running Mode and User Notes.Running Mode generates custom playlists for runs, while User Notes lets listeners add comments to tracks on their personal playlists.Running Mode is currently exclusive to iOS.Spotify introduced a couple of new features today, but the more interesting of the two isn’t available on Android yet. Starting today, users on Android and elsewhere can add public-facing text notes to songs on their playlists. Spotify’s getting a bigger update on iOS, introducing a new Running Mode that generates playlists made to match your specific workout.Spotify detailed the new Running Mode in a blog post this morning. The iOS-exclusive option lets you customize a playlist starting from a base of one of 25 presets. Users have options to dial in the type of music they want to hear, how long they want the playlist to be, and the tempo of the tracks included.