>Nothing is recorded and sent... How does an outside observer know what is being recorded and stored (e.g. for later analysis or retrieval)? What guarantees do

>Nothing is recorded and sent... How does an outside observer know what is being recorded and stored (e.g. for later analysis or retrieval)? What guarantees does Amazon offer in their terms of service about their use of any recordings? Can the police get a warrant to have Amazon bug my home using my Echo?