The new Spotify Web API gives developers the ability to create and add tracks to a playlist for the user. "This is a pretty powerful feature opening the door for a whole range of apps," says Paul Lamere, Director of Developer Platform for Spotify owned The Echo Nest. "For instance, this weekend, I added the ability to save a Roadtrip Mixtape playlist, so you can now actually take your mixtapes on the road." The code is on github. Related articles How Do You Spotify? A Look At Spotify's 47 Apps A Look At Spotify's Attempt To Become The 'OS of...

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