&quot;we had RSS&#x2F;Atom, but these have all failed as companies pour massives investments into &quot;winner take all&quot; approaches to their products&quot;<p>One area which hasn&#x27;t (yet?) succumbed to this is podcasts.  The podcast clients I use (Overcast on iOS and Pocket Casts on Android) will accept an RSS URL, and most (all?) podcasts provide such a URL.