Anytime? Or until your kindle breaks, or Amazon decide to stop offering the service. or your ebook supplier gets bought by a competitor and discontinues your de

Anytime? Or until your kindle breaks, or Amazon decide to stop offering the service. or your ebook supplier gets bought by a competitor and discontinues your device. Or they decide to introduce a new fee structure that you don't want to pay? Anybody notice any small print in their contracts where Amazon offer free, eternal downloads of books to any future device