I understand that a huge percentage of podcast listeners are based in the US but the number of hours I've spent listening to completely irrelevant adverts is insane. Surely someone can make a service that takes a podcast feed and packages it with different adverts for different markets and then creates new feeds. I'd make it but the scaling sales end is not something I know how to do. I suppose it depends how Apple i…
This is the reason why you just cannot create dynamic ads if you want to stick to the standard RSS+client approach (like iTunes).
Some of the podcasters have started actually building their own native apps to have better control of the content they emit, but it comes with reduced visibility. This is why most of podcasters still release their stuff through iTunes, but invite the listeners to download their app.