Amazon MP3 purchases - including music that customers purchased in the past - are automatically saved to Cloud Player, which means that customers have a secure backup copy of the music they buy from Amazon, free of charge.
Instead of a traditional key stored in the secure element's memory, every single copy of this chip carries a unique fingerprint within the physical structure of its transistors.
Live streaming is also impossible thanks to a "bug" in the software that can't secure the session, breaking the corporation's copy protection system which only affects mobile devices.