Well, it sounds like the numbers were just being artificially inflated in the first place. Now they're being brought down to match reality.
Side note, I don't really see how advertising can possibly be useful in this medium. We all just skip them, right? Even when I don't, I can't say I've ever purchased something mentioned on a podcast.
Side note, I don't really see how advertising can possibly be useful in this medium. We all just skip them, right? Even when I don't, I can't say I've ever purchased something mentioned on a podcast.