Alexa now lets you announce to your whole home dinner is ready | TechRadar
How to use Alexa Announcements to broadcast messages at home - Gearbrain
See The Upgrades To Alexa Announcements - VoiceBrew
How to Use Alexa as an Intercom
Amazon Echo Tips and Tricks | How to Make the Most of Your Echo | Digital Trends
Alexa can now broadcast an announcement through all of your Echo devices | AFTVnews
Announce that Dinner is Ready - IHome iAVS16 Product Review | Alexa Cast | An Unofficial Journey of an Amazon Echo User | Podcasts on Audible | Audible.com
Alexa's Announcement broadcast feature comes to Sonos speakers and more - The Verge