Amazon Echo and Google Nest smart speakers can pull off the same tricks.
Sophisticated multi-room speaker systems from the likes of Sonos, Yamaha (MusicCast), and Denon (HEOS) are largely self-contained, enabling you to drop speakers in multiple rooms in your home so you can stream music from your own collection or from online services such as Spotify to all of them in sync, or to send different tracks to each one. Amazon Echo and Google Nest smart speakers can pull off the same tricks.