Recently we wrote about the wonders of PubSubHubBub and what was possible when services push data, in real time, to external web apps. Twitter's Stream API makes it clear that we're headed towards an exciting and very real-time web. Now YouTube is along for the ride.
The YouTube Data API can be used to upload and search for videos, manage playlists and subscriptions, update channel settings and more. In part 3 of this tutorial, we continue to extend our code and show you how to use the API to build a simple app that can return the contents of a playlist.