> Sonos speakers access the net and your streaming music accounts by themselves without using your phone and you can demonstrate this by turning off the phone w

> Sonos speakers access the net and your streaming music accounts by themselves without using your phone and you can demonstrate this by turning off the phone while they're playing. Logically, therefore, the cloud service on which this relies must keep that personal info about you. This is definitely one model, there’s also the chromecast model which allows you to turn off the phone. I guess it might not as fully featured as Sonos though? Chromecast appears to work by the service issuing a token of some kind to the chromecast after you start playing from your phone.