Google's video chat app Duo will get audio calls 'soon'

Google Duo, Google's recently launched, dead-simple video calling app, will get an option to make audio-only calls soon. 
The news comes from Google's product lead for communication Amit Fulay (spotted by Android Police), who confirmed it in a comment on his Google Plus page. 
SEE ALSO: Why Google created Duo, its excellent FaceTime clone
Fulay's announcement was as short as they come — "coming soon" is all he wrote — but it's an important addition to the app that's poised