Spotify wants to permanently cross out one entry in your perennial to-do list for parties: 1.) Prepare food, 2.) Set up location,
3.) Prepare a party playlist. The music streaming service has launched Spotify Party, a feature similar to Spotify Running, which delivers beat-matched music playlists. Of course, it's not as useful if you can afford to a hire a DJ, but it could be your new best friend if you're a frequent host and don't usually have time to scour the service for appropriate tunes.