[Dracophoenix]

No one who has an app on the App Store is getting free publicity. There's a $99 fee per year per developer. For that much money, if someone uses their app to drive people to their websites, so what? Don't you think it's hypocritical of Apple to use iTunes as a gateway to Apple Music and iCloud without paying Microsoft a cut?

It's one thing to say Apple has the right to do what it wants with its own platform, but it's another thing entirely to set up a straw man in order to justify those rights.

[Spivak]

Exposure in this context means “the right to set up your stall in Apple’s market and sell to their customers.” It might have been more precise to say “reach” but at the end it’s semantics.

You not paying for “publicity” in a marketing sense you’re paying for high-value shelf space in a store that brings in a lot of customers — iOS devices.

If MS wants to charge publishers 30% for all sales done on Windows then power to them.