Google Duo updated with audio-only calls option, Allo gets the ability to share files

Google launched Duo last year in an attempt to bring high-quality video calling to users on Android and iOS. Today, the search giant announced it added audio-only calling in the app.
Google Duo users in Brazil will be the first to benefit from the new feature, but audio-only calls will be rolled out to users around the world in the coming days.
Also, Allo has been updated with the ability to share documents and other files in group chats. The new feature is available to Android users only, but on the bright side, it should be rolled out to everyone starting today.
On a side note, Google announced plans to roll out the Assistant in Brazilian Portuguese on Android phones running Marshmallow or Nougat.
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