The App Store toll booth let a rot into Apple's foundations: money for taking 30% of other people's business without making anything.

Creator of Ruby on Rails, CTO of 37signals

But as Apple discovered the gold mine, it is to operate a toll booth where you don't have to innovate, where you don't actually even have to make anything, where you can just take 30% of other people's business. There was a rot that crept into the foundation of Apple and that started all the way back from the initial launch of the app store.