I wish I wouldn'y have to go onto my browser just to listen to podcasts and spotify does already have some but not that many and good to better. Put everytihng in one place!
One podcast I was searching for was history of philosophy without any gaps and could not be found on Spotify.
Updated on 2017-08-24
Spotify wants all the world’s music on Spotify. However, some artists and tracks aren't currently available. Sometimes agreements can’t be reached with the artist or label or a change may happen in music ownership.
However, please know thousands of albums and artists are added to Spotify every day. If you can’t find an artist you’re looking for, they may appear (or reappear) soon.
In the meantime, feel free to contact the artist or their label to ask when they plan to be on Spotify. Thanks!
Here's also a link with more info about it:
Content Missing FAQ