You can finally control your Sonos speakers directly from Spotify

After about a month in public beta, Sonos and Spotify are releasing an update today allowing Spotify to directly play to Sonos speakers to all users. The update essentially makes any Sonos device into a Spotify Connect speaker, with the added bonus of Sonos' signature multi-room functionality built in.Control music throughout your home on Sonos speakers directly from the Spotify app
The new feature, which was originally announced in August, allows anyone to control music playing on Sonos speaker