This article is relevant because Spotify has acquired some podcast companies recently - Parcast, Gimlet and Anchor. So there is a lot of concern that it will attempt to lock down podcasting and convert it to a proprietary content network. Could it work? Sure it could. Here's why it would be bad. "Let this be a warning to you: if you use Spotify as your podcast app, you are a prisoner to Spotify, and if you decide to switch to another podcast app there isn’t any way to get your data out of Spotify."