Google launches video calling app Duo for Android and iOS

Google today launched Google Duo, a one-to-one video calling app for Android and iOS. You can download Duo from Google Play and Apple’s App Store though you may have to wait a bit as this is a gradual rollout — “it will be live worldwide in the next few days.”
Duo is mobile-only, was built to be very fast thanks to Web Real-Time Communication (WebRTC), and “takes the complexity out of video calling,” according to principal software engineer Justin Uberti. Duo