Kindle adds 'Get Book' buy button to where it always belonged

Amazon is the latest developer to take advantage of Apple's court-mandated App Store changes, and has finally made it possible to buy books directly in the iPhone Kindle app.
Kindle books can now be bought directly in the iOS app — in the US, at least.
It's generally been Spotify that's thrown up its arms and claimed Apple won't let it on the App Store, when really it means Apple wouldn't let it on for free. Now that Apple has been forced to allow it and all US developers on for nothing, t