Surveys conducted by Edison Research and NPR say that 36 million adults in the US own a smart speaker powered by assistants from Google or Amazon. Alexa, presumably because of its two-year head start, has a big lead here.
A home phone replacement that spreads messages to mobile devices and a smaller Echo with a screen for video chats. All on Amazon from today.
You can make calls from an Echo device, but you'll need an Echo Connect plugged into your landline service to receive them.