https://www.cnet.com/news/apples-homepod-smart-speaker-is-better-but-here-are-5-things-it-still-needs-to-beat-alexa/

Multiroom audio allows you to play the same music or podcast in different rooms at the same time on HomePod smart speakers, Apple TVs and other AirPlay-enabled devices. Stereo pairing lets you set two HomePods next to each other to improve sound quality in that room.

I'm glad AirPlay 2 is here, but Apple still has a lot of work to do to for its Siri-powered smart speaker to match or exceed the broad appeal of Alexa or Google Assistant.