Zach said it best yesterday: http://news.ycombinator.com/item?id=2224469 Of course Rhapsody can't sell their stuff for a 30% margin. It's not their own stuff! They're trying to be the last link in a chain of 90/10 (or more) splits. They repackage record labels' repackaging of artists' content. Do you think the artists would find 30% economically untenable? The App Store is 70/30 because Apple can take things straight…
The App Store is 70/30 because Apple can take things straight from content producer to customer. When the Apple takes the place of publishing, distribution, inventory, sales, payments and shipping, there's real value for that 30%. This was already addressed in the article. iBooks has a significantly smaller variety of books than Amazon. By becoming the sole gatekeeper for content, Apple is ruling out larger distribut…
We'll see how it shakes out. Maybe it'll be like the "nothing but objective-c" thing. People freak out too much about this kind of stuff.