Duo name calling apps to compete with an app called Google. Special feature Duo “Knock, knock.” This feature is the video call, before his identity be known. Google announced in May this year, bringing Duo app. Tuesday Google’s Android operating system devices, and the company was open aioese free. Due to Apple’s Facetime phone number will be required to run the application.
Ayapagulote accounts are open to other video calling. Prior to taking advantage of Google Hangout video call service. As a business meeting hyamautake introduce the service. Duo identifying Free video app. Duo artificial intelligence, as well as messaging applications Aloe soon to open in Google.