Duo

< Communication tools of Google
 * Dutch: Duo (NL)
 * Market: Video conferencing
 * Website: https://duo.google.com
 * Wikipedia: https://en.wikipedia.org/wiki/Google_Duo

Introduction

 * Duo is a video calling app from Google. Launched in 2016.
 * In 2019 Google will probably launch a web version. See message on 9to5Google.

Features

 * Knock knock
 * Duo uses WebRTC and QUIC.