Apple's iOS 11.4 finally delivers on last year's promises for HomePod and iMessage
https://www.washingtonpost.com/news/the-switch/wp/2018/05/29/apples-ios-11-4-finally-delivers-on-last-years-promises-for-homepod-and-imessages/
Apple's HomePod can finally link with other speakers and check your calendar.