Google's smart displays will simplify multi-room audio - Engadget

For people with multiple Google speakers and displays in their home, getting all your devices to play the same music can be tricky. At the top of the list is a master control for volume that allows you to quickly soften the music when it’s too loud, for examp… https://www.engadget.com/google-nest-smart-display-multi-room-audio-control-150038111.html